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2. Genomic epidemiology of SARS-CoV-2 in a UK university identifies dynamics of transmission

Author

Aggarwal, Dinesh, Warne, Ben, Jahun, Aminu S., Hamilton, William L., Fieldman, Thomas, du Plessis, Louis, Hill, Verity, Blane, Beth, Watkins, Emmeline, Wright, Elizabeth, Hall, Grant, Ludden, Catherine, Myers, Richard, Hosmillo, Myra, Chaudhry, Yasmin, Pinckert, Malte L., Georgana, Iliana, Izuagbe, Rhys, Leek, Danielle, Nsonwu, Olisaeloka, Hughes, Gareth J., Packer, Simon, Page, Andrew J., Metaxaki, Marina, Fuller, Stewart, Weale, Gillian, Holgate, Jon, Brown, Christopher A., Orton, Alexandra, Douthwaite, Julie, Rees, Steve, Brown, Christopher, Clark, Roger, Jones, Daniel R., Kuenzi, Fred, Rankin, Jennifer, Waddell, Ian, Maxwell, Patrick, Matheson, Nicholas, Abell, Chris, Braithwaite, Vickie, Brierley, Craig, Crowcroft, Jon, Dahal, Aastha, Faulkner, Kathryn, Glover, Michael, Goodfellow, Ian, Greatorex, Jane, James, Laura, Lehner, Paul, Leslie, Ian, Liddell, Kathleen, Margolis, Ben, Morgan, Sally, Sheridan, Linda, Valletta, Sally, Vignoles, Anna, Vinnell, Martin, Wills, Mark, Hilborne, Sarah, Berry, Sarah, Kahkeshi, Mahin Bagheri, Hancock, Dawn, Winster, Jennifer, Enright, Jessica, Samworth, Richard, Samtani, Vijay, Ahmadi-Assalemi, Gabriela, Feather, Tom, Goodall, Robin, Hoensch, Steve, Johnson, Dean, Hunt, Martin, Mathieson, Nick, Nikitina, Katya, Sheldrake, Zara, Keen, Martin, Sato, Aris, Connor, David, Tolhurst, Jonathan, Williman, Jack, Hollamby, Victoria, Jordan, Sinead, Fatseas, Tania, Taylor, Peter, Georgiou, Christine, Caspersz, Michelle, McNulty, Claire, Davies, Richard, Clarke, Rebecca, Danaei, Darius, Dyer, Rory, Glew, Rob, Lambson, Oliver, Gibbs, Karen, Mozdzen, Barbara, Raub, Gabor, Radecki, Asako, White, Phil, Hughes, Robert, Gransden, Lucie, Ceaser, Matt, Sing, Robert, Wilson, Karl, Parlikad, Ajith, Dhada, Maharshi, Ridgman, Tom, Mungovan, Diane, Matthews, Steve, Searle, Paul, Mills, John, Neely, Andy, Henderson, Robert, Murphy, Edna, Russell, Matthew, Freeling, Anthony, Poppitt, Steve, Tynan, Jo, Knapton, James, Marchetti, Filippo, Angelis, Daniela De, Feltwell, Theresa, Hadjirin, Nazreen F., Jahun, Aminu, Pinckert, Malte, Shaw, Ashley, Chaudhry, Afzal, Brown, Nicholas M., Mactavous, Lenette, Hannan, Sophie, Hosaja, Aleksandra, Leong, Clare, Wright, Jo, Quinnell, Natalie, Workman, Chris, Ferris, Mark, Wright, Giles, Brooks, Ellena, Carabelli, Alessandro M., Churcher, Carol M., Galai, Katerina, Girgis, Sophia T., Gupta, Ravi K., McManus, Georgina M., Palmer, Sophie, Peacock, Sharon J., Smith, Kim S., Allara, Elias, Bibby, David, Bishop, Chloe, Bosworth, Andrew, Bradshaw, Daniel, Chalker, Vicki, Chand, Meera, Dabrera, Gavin, Ellaby, Nicholas, Gallagher, Eileen, Groves, Natalie, Harrison, Ian, Hartman, Hassan, Hopes, Richard, Hubb, Jonathan, Hutchings, Stephanie, Lackenby, Angie, Ledesma, Juan, Lee, David, Manesis, Nikos, Manso, Carmen, Mbisa, Tamyo, Miah, Shahjahan, Muir, Peter, Osman, Husam, Patel, Vineet, Pearson, Clare, Platt, Steven, Pymont, Hannah M., Ramsay, Mary, Robinson, Esther, Schaefer, Ulf, Thornton, Alicia, Twohig, Katherine A., Vipond, Ian B., Williams, David, Aigrain, Louise, Alderton, Alex, Amato, Roberto, Ariani, Cristina V., Barrett, Jeff, Bassett, Andrew R., Beale, Mathew A., Beaver, Charlotte, Bellis, Katherine L., Betteridge, Emma, Bonfield, James, Bronner, Iraad F., Chapman, Michael H. S., Danesh, John, Davies, Robert, Dorman, Matthew J., Drury, Eleanor, Durham, Jillian, Farr, Ben W., Foulser, Luke, Goncalves, Sonia, Goodwin, Scott, Gourtovaia, Marina, Jackson, David K., James, Keith, Jamrozy, Dorota, Johnston, Ian, Kane, Leanne, Kay, Sally, Keatley, Jon-Paul, Kwiatkowski, Dominic, Langford, Cordelia F., Lawniczak, Mara, Lensing, Stefanie V., Leonard, Steven, Letchford, Laura, Lewis, Kevin, Liddle, Jennifier, Livett, Rich, Lo, Stephanie, Makunin, Alex, Martincorena, Inigo, McCarthy, Shane, McGuigan, Samantha, Moll, Robin J., Nelson, Rachel, Oliver, Karen, Palmer, Steve, Park, Naomi R., Patel, Minal, Prestwood, Liam, Puethe, Christoph, Quail, Michael A., Rajan, Diana, Rajatileka, Shavanthi, Redshaw, Nicholas M., Scott, Carol, Shirley, Lesley, Sillitoe, John, Thurston, Scott A. J., Tonkin-Hill, Gerry, Tovar-Corona, Jaime M., Weldon, Danni, Whitwham, Andrew, Attwood, Stephen W., Zamudio, Marina Escalera, Francois, Sarah, Gutierrez, Bernardo, Kraemer, Moritz U. G., Raghwani, Jayna, Vasylyeva, Tetyana I., Zarebski, Alex E., Alikhan, Nabil-Fareed, Aydin, Alp, Baker, David J., de Oliveira Martins, Leonardo, Kay, Gemma L., Le-Viet, Thanh, Mather, Alison E., Meadows, Lizzie, O’Grady, Justin, Rudder, Steven, Trotter, Alexander J., Illingworth, Chris J., Jackson, Chris, Aranday-Cortes, Elihu, Asamaphan, Patawee, Broos, Alice, Carmichael, Stephen N., da Silva Filipe, Ana, Hughes, Joseph, Jesudason, Natasha G., Johnson, Natasha, Li, Kathy K., Mair, Daniel, Nichols, Jenna, Nickbakhsh, Seema, Niebel, Marc O., Nomikou, Kyriaki, Orton, Richard J., Robertson, David L., Shah, Rajiv N., Shepherd, James G., Singer, Joshua B., Starinskij, Igor, Thomson, Emma C., Tong, Lily, Vattipally, Sreenu, Ash, Amy, Koshy, Cherian, Cortes, Nick, Kidd, Stephen, Lynch, Jessica, Moore, Nathan, Mori, Matilde, Wise, Emma, Curran, Tanya, Fairley, Derek J., McKenna, James P., Adams, Helen, Bonsall, David, Fraser, Christophe, Golubchik, Tanya, Cogger, Benjamin J., Hassan-Ibrahim, Mohammed O., Malone, Cassandra S., Reynolds, Nicola, Wantoch, Michelle, Afifi, Safiah, Beer, Robert, John, Michaela, Maksimovic, Joshua, McCluggage, Kathryn, Morgan, Sian, Spellman, Karla, Bresner, Catherine, Connor, Thomas R., Fuller, William, Guest, Martyn, Gulliver, Huw, Kitchen, Christine, Marchbank, Angela, Merrick, Ian, Munn, Robert, Price, Anna, Southgate, Joel, Workman, Trudy, Patel, Amita, Snell, Luke B., Batra, Rahul, Charalampous, Themoula, Edgeworth, Jonathan, Nebbia, Gaia, Beckett, Angela H., Robson, Samuel C., Aanensen, David M., Abudahab, Khalil, Menegazzo, Mirko, Taylor, Ben E. W., Underwood, Anthony P., Yeats, Corin A., Berry, Louise, Boswell, Tim, Clark, Gemma, Fleming, Vicki M., Howson-Wells, Hannah C., Jones, Carl, Joseph, Amelia, Khakh, Manjinder, Lister, Michelle M., Smith, Wendy, Willingham, Iona, Bird, Paul, Fallon, Karlie, Helmer, Thomas, Holmes, Christopher, Tang, Julian, Blakey, Victoria, Campbell, Sharon, Raviprakash, Veena, Sheriff, Nicola, Williams, Lesley-Anne, Carlile, Matthew, Debebe, Johnny, Holmes, Nadine, Loose, Matthew W., Moore, Christopher, Sang, Fei, Wright, Victoria, Coll, Francesc, Betancor, Gilberto, Signell, Adrian W., Wilson, Harry D., Davis, Thomas, Eldirdiri, Sahar, Kenyon, Anita, Torok, M. Estee, Lowe, Hannah, Moses, Samuel, Bedford, Luke, Moore, Jonathan, Stonehouse, Susanne, Awan, Ali R., Fisher, Chloe L., BoYes, John, Atkinson, Laura, Breuer, Judith, Brown, Julianne R., Harris, Kathryn A., Lee, Jack C. D., Shah, Divya, Storey, Nathaniel, Flaviani, Flavia, Alcolea-Medina, Adela, Vernet, Gabrielle, Williams, Rebecca, Chapman, Michael R., Chatterton, Wendy, Heaney, Judith, Levett, Lisa J., Pusok, Monika, Xu-McCrae, Li, Bashton, Matthew, Smith, Darren, Young, Greg, Bolt, Frances, Cox, Alison, Holmes, Alison, Madona, Pinglawathee, Mookerjee, Siddharth, Price, James, Randell, Paul A., Boyd, Olivia, Nascimento, Fabricia F., Geidelberg, Lily, Johnson, Rob, Jorgensen, David, Ragonnet-Cronin, Manon, Rowan, Aileen, Siveroni, Igor, Taylor, Graham P., Volz, Erik M., Smollett, Katherine L., Loman, Nicholas J., McMurray, Claire, McNally, Alan, Nicholls, Sam, Poplawski, Radoslaw, Quick, Joshua, Rowe, Will, Stockton, Joanne, Nunez, Rocio T. Martinez, Breen, Cassie, Cowell, Angela, Mason, Jenifer, O’Toole, Elaine, Robinson, Trevor I., Watts, Joanne, Sluga, Graciela, Ahmad, Shazaad S. Y., George, Ryan P., Machin, Nicholas W., Halstead, Fenella, Hogsden, Wendy, Sivaprakasam, Venkat, Carden, Holli, Hale, Antony D., Harper, Katherine L., Macfarlane-Smith, Louissa R., Burton-Fanning, Shirelle, Collins, Jennifer, Eltringham, Gary, Payne, Brendan AI., Taha, Yusri, Waugh, Sheila, O’Brien, Sarah, Rushton, Steven, Blacow, Rachel, Bradley, Amanda, Maclean, Alasdair, Mollett, Guy, Dewar, Rebecca, McHugh, Martin P., Templeton, Kate E., Wastenge, Elizabeth, Coupland, Lindsay, Dervisevic, Samir, Meader, Emma J., Stanley, Rachael, Smith, Louise, Barton, Edward, Graham, Clive, Padgett, Debra, Scott, Garren, Greenaway, Jane, Swindells, Emma, McCann, Clare, Nelson, Andrew, Yew, Wen Chyin, Andersson, Monique, Crook, Derrick, Eyre, David, Justice, Anita, Peto, Timothy, Duckworth, Nichola, Sloan, Tim J., Walsh, Sarah, Bicknell, Kelly, Chauhan, Anoop J., Elliott, Scott, Glaysher, Sharon, Impey, Robert, Lloyd, Allyson, Wyllie, Sarah, Levene, Nick, Monaghan, Lynn, Bradley, Declan T., Wyatt, Tim, Curran, Martin D., Parmar, Surendra, Holden, Matthew T. G., Shaaban, Sharif, Adams, Alexander, Asad, Hibo, Birchley, Alec, Bull, Matthew, Coombes, Jason, Corden, Sally, Cottrell, Simon, Craine, Noel, Cronin, Michelle, Davies, Alisha, Lacy, Elen De, Downing, Fatima, Edwards, Sue, Evans, Johnathan M., Fina, Laia, Gaskin, Amy, Gatica-Wilcox, Bree, Gifford, Laura, Gilbert, Lauren, Graham, Lee, Heyburn, David, Hilvers, Ember, Howe, Robin, Jones, Hannah, Jones, Rachel, Jones, Sophie, Kumziene-SummerhaYes, Sara, McKerr, Caoimhe, Moore, Catherine, Morgan, Mari, Pacchiarini, Nicole, Perry, Malorie, Plimmer, Amy, Rey, Sara, Shankar, Giri, Taylor, Sarah, Watkins, Joanne, Williams, Chris, Casey, Anna, Ratcliffe, Liz, Acheson, Erwan, Molnar, Zoltan, Simpson, David A., Thompson, Thomas, Auckland, Cressida, Ellard, Sian, Jones, Christopher R., Knight, Bridget A., Masoli, Jane A. H., Haque, Tanzina, Hart, Jennifer, Irish-Tavares, Dianne, Mahungu, Tabitha W., Witele, Eric, Dadrah, Ashok, Fenton, Melisa L., Saluja, Tranprit, Symmonds, Amanda, Bourgeois, Yann, Scarlett, Garry P., Cook, Kate, Dent, Hannah, Fearn, Christopher, Goudarzi, Salman, Loveson, Katie F., Paul, Hannah, Evans, Cariad, Johnson, Kate, Partridge, David G., Raza, Mohammad, Baker, Paul, Bonner, Stephen, Essex, Sarah, Liggett, Steven, Lyons, Ronan A., Mahanama, Adhyana I. K., Saeed, Kordo, Samaraweera, Buddhini, Silveira, Siona, Wilson-Davies, Eleri, Emanuela, P., Bayzid, Nadua, Cotic, Marius, Ensell, Leah, Hartley, John A., Jannoo, Riaz, Karamani, Angeliki, Kristiansen, Mark, Lowe, Helen L., Roy, Sunando, Westhorpe, Adam P., Williams, Rachel J., Williams, Charlotte A., Jeremiah, Sarah, Prieto, Jacqui A., Berry, Lisa, Grammatopoulos, Dimitris, Jones, Katie, Pandey, Sarojini, Beggs, Andrew, Richter, Alex, Ashcroft, Fiona, Best, Angus, Crawford, Liam, Cumley, Nicola, Mayhew, Megan, Megram, Oliver, Mirza, Jeremy, Moles-Garcia, Emma, Percival, Benita, Bucca, Giselda, Hesketh, Andrew R., Smith, Colin P., Davidson, Rose K., Balcazar, Carlos E., Gallagher, Michael D., O’Toole, Áine, Rambaut, Andrew, Rooke, Stefan, Stanton, Thomas D., Williams, Thomas, Williamson, Kathleen A., Bewshea, Claire M., Farbos, Audrey, Harrison, James W., Jeffries, Aaron R., Manley, Robin, Michell, Stephen L., Michelsen, Michelle L., Sambles, Christine M., Studholme, David J., Temperton, Ben, Warwick-Dugdale, Joanna, Darby, Alistair C., Eccles, Richard, Gemmell, Matthew, Gregory, Richard, Haldenby, Sam T., Hiscox, Julian A., Hughes, Margaret, Iturriza-Gomara, Miren, Jackson, Kathryn A., Lucaci, Anita O., Nelson, Charlotte, Paterson, Steve, Rainbow, Lucille, Turtle, Lance, Vamos, Edith E., Webster, Hermione J., Whitehead, Mark, Wierzbicki, Claudia, Angyal, Adrienn, Brown, Rebecca, de Silva, Thushan I., Freeman, Timothy M., Gallis, Marta, Green, Luke R., Groves, Danielle C., Keeley, Alexander J., Lindsey, Benjamin B., Louka, Stavroula F., Parker, Matthew D., Parsons, Paul J., Smith, Nikki, Tucker, Rachel M., Wang, Dennis, Whiteley, Max, Wyles, Matthew, Zhang, Peijun, Alam, Mohammad T., Baxter, Laura, Bridgewater, Hannah E., Brown, Paul E., Cheng, Jeffrey K. J., Constantinidou, Chrystala, Frost, Lucy R., Ott, Sascha, Stark, Richard, Taylor-Joyce, Grace, Unnikrishnan, Meera, Cerda, Alberto C., Merrill, Tammy V., Wilson, Rebekah E., Ball, Jonathan, Chappell, Joseph G., McClure, Patrick C., Tsoleridis, Theocharis, Buck, David, de Cesare, Mariateresa, Green, Angie, MacIntyre-Cockett, George, Todd, John A., Trebes, Amy, Gunson, Rory N., Cormie, Claire, Dias, Joana, Forrest, Sally, Gill, Harmeet K., Higginson, Ellen E., Kermack, Leanne M., Maes, Mailis, Ruis, Chris, Sridhar, Sushmita, Young, Jamie, Howes, Rob, McFarlane, Duncan, Dougan, Gordon, Pybus, Oliver G., Maxwell, Patrick H., Weekes, Michael P., Illingworth, Chris, Harrison, Ewan M., Matheson, Nicholas J., Goodfellow, Ian G., The Cambridge Covid-19 testing Centre, University of Cambridge Asymptomatic COVID-19 Screening Programm, The COVID-19 Genomics UK (COG-UK) Consortium, Aggarwal, Dinesh [0000-0002-5938-8172], Warne, Ben [0000-0003-1326-0373], Hill, Verity [0000-0002-3509-8146], Pinckert, Malte [0000-0002-6072-5949], Leek, Danielle [0000-0001-5367-3354], Pybus, Oliver [0000-0001-6619-6112], Weekes, Michael [0000-0002-0030-2784], Apollo - University of Cambridge Repository, Jahun, Aminu S [0000-0002-4585-1701], Hamilton, William L [0000-0002-3330-353X], du Plessis, Louis [0000-0003-0352-6289], Blane, Beth [0000-0002-0996-9091], Wright, Elizabeth [0000-0002-8378-9072], Hall, Grant [0000-0003-3928-3979], Chaudhry, Yasmin [0000-0002-2386-3269], Pinckert, Malte L [0000-0002-6072-5949], Izuagbe, Rhys [0000-0001-8080-2510], Nsonwu, Olisaeloka [0000-0002-3024-700X], Hughes, Gareth J [0000-0002-3781-0117], Packer, Simon [0000-0002-9157-3650], Page, Andrew J [0000-0001-6919-6062], Metaxaki, Marina [0000-0002-4552-1622], Weale, Gillian [0000-0003-4728-5915], Brown, Christopher A [0000-0001-7773-0878], Peacock, Sharon J [0000-0002-1718-2782], Pybus, Oliver G [0000-0002-8797-2667], Weekes, Michael P [0000-0003-3196-5545], Harrison, Ewan M [0000-0003-2720-0507], Matheson, Nicholas J [0000-0002-3318-1851], Goodfellow, Ian G [0000-0002-9483-510X], Jahun, Aminu [0000-0002-4585-1701], Hosmillo, Myra [0000-0002-3514-7681], McFarlane, Duncan [0000-0002-1558-7823], Dougan, Gordon [0000-0003-0022-965X], Peacock, Sharon [0000-0002-1718-2782], Weekes, Michael [0000-0003-3196-5545], Illingworth, Christopher [0000-0002-0030-2784], Harrison, Ewan [0000-0003-2720-0507], Matheson, Nicholas [0000-0002-3318-1851], and Goodfellow, Ian [0000-0002-9483-510X]

Subjects
Universities, 631/326/325/2483, Science, education, University of Cambridge Asymptomatic COVID-19 Screening Programme Consortium, General Physics and Astronomy, Cambridge Covid-19 testing Centre, 45/23, Genome, Viral, General Biochemistry, Genetics and Molecular Biology, COVID-19 Genomics UK (COG-UK) Consortium, Risk Factors, The COVID-19 Genomics UK (COG-UK) Consortium, Humans, Students, Phylogeny, 631/326/596/4130, Multidisciplinary, SARS-CoV-2, article, COVID-19, virus diseases, C500, General Chemistry, Genomics, C700, 692/700/478/174, United Kingdom, The Cambridge Covid-19 testing Centre, RNA, Viral, 631/326/596/2562, Contact Tracing, 631/326/596/2563
Abstract

Understanding SARS-CoV-2 transmission in higher education settings is important to limit spread between students, and into at-risk populations. In this study, we sequenced 482 SARS-CoV-2 isolates from the University of Cambridge from 5 October to 6 December 2020. We perform a detailed phylogenetic comparison with 972 isolates from the surrounding community, complemented with epidemiological and contact tracing data, to determine transmission dynamics. We observe limited viral introductions into the university; the majority of student cases were linked to a single genetic cluster, likely following social gatherings at a venue outside the university. We identify considerable onward transmission associated with student accommodation and courses; this was effectively contained using local infection control measures and following a national lockdown. Transmission clusters were largely segregated within the university or the community. Our study highlights key determinants of SARS-CoV-2 transmission and effective interventions in a higher education setting that will inform public health policy during pandemics., Nature Communications, 13, ISSN:2041-1723

Published
2022

4. Single-dose BNT162b2 vaccine protects against asymptomatic SARS-CoV-2 infection

Author

Jones, Nick K, Rivett, Lucy, Seaman, Shaun, Samworth, Richard J, Warne, Ben, Workman, Chris, Ferris, Mark, Wright, Jo, Quinnell, Natalie, Shaw, Ashley, Cambridge COVID-19 Collaboration, Goodfellow, Ian G, Lehner, Paul J, Howes, Rob, Wright, Giles, Matheson, Nicholas J, Weekes, Michael P, Amory, Amy, Baker, Stephen, Bateman, Emma, Begum, Aklima, Begum, Moushima, Bradley, John, Brennan, Michael, Burn, Helen, Crofts, Caroline, Chaudhry, Afzal, Chaudhry, Yasmin, Cooper, Daniel J, Dawson, Sharon, Dougan, Gordon, Feather, Renny, Free, Louise, Friel, Katie, Gildea, Claire, Georgana, Iliana, Grimwade, Lizz, Gupta, Ravi, Hall, Susan, Hannan, Sophie, Hayes, James, Hosaja, Aleksandra, Hosmillo, Myra, Izuagbe, Rhys, Jahun, Aminu, James, Lidia, Jardin, Jill, Kingston, Nathalie, Lear, Sara, Lyons, Paul A, Maxwell, Patrick H, Mott, Sue, Mugavin, Sarah, Mwiya, Joyce, Peacock, Sharon, Nallattil, Ravi Prakash, Oloyede, Kazeem, Ouwehand, Willem H, Page, Elle, Perez, Marina, Raine, Tim, Routledge, Matthew, Saunders, Caroline, Smith, Kenneth GC, Sparkes, Dominic, Stafford, Maria, Summers, Charlotte, Tatsi, Despiona, Thaventhiran, James ED, Thomas Johnson, Sharon, Török, M Estée, Toshner, Mark, Turner, Lesley, Wall, Kate, Watson, Karis, Jones, Nick K [0000-0003-4475-7761], Rivett, Lucy [0000-0002-2781-9345], Goodfellow, Ian G [0000-0002-9483-510X], Lehner, Paul J [0000-0001-9383-1054], Matheson, Nicholas J [0000-0002-3318-1851], Weekes, Michael P [0000-0003-3196-5545], and Apollo - University of Cambridge Repository

Subjects
Microbiology and Infectious Disease, Epidemiology and Global Health, SARS-CoV-2, COVID-19, asymptomatic, BNT162b2, Pfizer-BioNTech, Research Advance, vaccination, Human
Abstract

The BNT162b2 mRNA COVID-19 vaccine (Pfizer-BioNTech) is being utilised internationally for mass COVID-19 vaccination. Evidence of single-dose protection against symptomatic disease has encouraged some countries to opt for delayed booster doses of BNT162b2, but the effect of this strategy on rates of asymptomatic SARS-CoV-2 infection remains unknown. We previously demonstrated frequent pauci- and asymptomatic SARS-CoV-2 infection amongst healthcare workers (HCWs) during the UK’s first wave of the COVID-19 pandemic, using a comprehensive PCR-based HCW screening programme (Rivett et al., 2020; Jones et al., 2020). Here, we evaluate the effect of first-dose BNT162b2 vaccination on test positivity rates and find a fourfold reduction in asymptomatic infection amongst HCWs ≥12 days post-vaccination. These data provide real-world evidence of short-term protection against asymptomatic SARS-CoV-2 infection following a single dose of BNT162b2 vaccine, suggesting that mass first-dose vaccination will reduce SARS-CoV-2 transmission, as well as the burden of COVID-19 disease.

Published
2021
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5. Screening of healthcare workers for SARS-CoV-2 highlights the role of asymptomatic carriage in COVID-19 transmission

Author

Rivett, Lucy, Sridhar, Sushmita, Sparkes, Dominic, Routledge, Matthew, Jones, Nick K, Forrest, Sally, Young, Jamie, Pereira-Dias, Joana, Hamilton, William L, Ferris, Mark, Torok, M Estee, Meredith, Luke, Collaboration, The CITIID-NIHR COVID-19 BioResource, Curran, Martin D, Fuller, Stewart, Chaudhry, Afzal, Shaw, Ashley, Samworth, Richard J, Bradley, John R, Dougan, Gordon, Smith, Kenneth GC, Lehner, Paul J, Matheson, Nicholas J, Wright, Giles, Goodfellow, Ian G, Baker, Stephen, Weekes, Michael P, Gupta, Ravi, Lyons, Paul A, Toshner, Mark, Warne, Ben, Bartholdson Scott, Josefin, Cormie, Claire, Gill, Harmeet, Kean, Iain, Maes, Mailis, Reynolds, Nicola, Wantoch, Michelle, Caddy, Sarah, Caller, Laura, Feltwell, Theresa, Hall, Grant, Hosmillo, Myra, Houldcroft, Charlotte, Jahun, Aminu, Khokhar, Fahad, Yakovleva, Anna, Butcher, Helen, Caputo, Daniela, Clapham-Riley, Debra, Dolling, Helen, Furlong, Anita, Graves, Barbara, Gresley, Emma Le, Kingston, Nathalie, Papadia, Sofia, Stark, Hannah, Stirrups, Kathleen E, Webster, Jennifer, Calder, Joanna, Harris, Julie, Hewitt, Sarah, Kennet, Jane, Meadows, Anne, Rastall, Rebecca, Brien, Criona O, Price, Jo, Publico, Cherry, Rowlands, Jane, Ruffolo, Valentina, Tordesillas, Hugo, Brookes, Karen, Canna, Laura, Cruz, Isabel, Dempsey, Katie, Elmer, Anne, Escoffery, Naidine, Jones, Heather, Ribeiro, Carla, Saunders, Caroline, Wright, Angela, Nyagumbo, Rutendo, Roberts, Anne, Bucke, Ashlea, Hargreaves, Simone, Johnson, Danielle, Narcorda, Aileen, Read, Debbie, Sparke, Christian, Warboys, Lucy, Lagadu, Kirsty, Mactavous, Lenette, Gould, Tim, Raine, Tim, Mather, Claire, Ramenatte, Nicola, Vallier, Anne-Laure, Kasanicki, Mary, Eames, Penelope-Jane, McNicholas, Chris, Thake, Lisa, Bartholomew, Neil, Brown, Nick, Parmar, Surendra, Zhang, Hongyi, Bowring, Ailsa, Martell, Geraldine, Quinnell, Natalie, Wright, Jo, Murphy, Helen, Dunmore, Benjamin J, Legchenko, Ekaterina, Gräf, Stefan, Huang, Christopher, Hodgson, Josh, Hunter, Kelvin, Martin, Jennifer, Mescia, Federica, O'Donnell, Ciara, Pointon, Linda, Shih, Joy, Sutcliffe, Rachel, Tilly, Tobias, Tong, Zhen, Treacy, Carmen, Wood, Jennifer, Bergamaschi, Laura, Betancourt, Ariana, Bowyer, Georgie, De Sa, Aloka, Epping, Maddie, Hinch, Andrew, Huhn, Oisin, Jarvis, Isobel, Lewis, Daniel, Marsden, Joe, McCallum, Simon, Nice, Francescsa, Rivett, Lucy [0000-0002-2781-9345], Lehner, Paul J [0000-0001-9383-1054], Matheson, Nicholas J [0000-0002-3318-1851], Goodfellow, Ian G [0000-0002-9483-510X], Weekes, Michael P [0000-0003-3196-5545], and Apollo - University of Cambridge Repository

Subjects
Epidemiology and Global Health, SARS-CoV-2, infectious disease, education, occupational health, virus diseases, COVID-19, Human Biology and Medicine, Research Article, virology, emerging pathogens, Human, Virus
Abstract

Funder: Addenbrooke's Charitable Trust, Cambridge University Hospitals; FundRef: http://dx.doi.org/10.13039/501100002927, Significant differences exist in the availability of healthcare worker (HCW) SARS-CoV-2 testing between countries, and existing programmes focus on screening symptomatic rather than asymptomatic staff. Over a 3 week period (April 2020), 1032 asymptomatic HCWs were screened for SARS-CoV-2 in a large UK teaching hospital. Symptomatic staff and symptomatic household contacts were additionally tested. Real-time RT-PCR was used to detect viral RNA from a throat+nose self-swab. 3% of HCWs in the asymptomatic screening group tested positive for SARS-CoV-2. 17/30 (57%) were truly asymptomatic/pauci-symptomatic. 12/30 (40%) had experienced symptoms compatible with coronavirus disease 2019 (COVID-19)>7 days prior to testing, most self-isolating, returning well. Clusters of HCW infection were discovered on two independent wards. Viral genome sequencing showed that the majority of HCWs had the dominant lineage B∙1. Our data demonstrates the utility of comprehensive screening of HCWs with minimal or no symptoms. This approach will be critical for protecting patients and hospital staff.

Published
2020
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6. Effective control of SARS-CoV-2 transmission between healthcare workers during a period of diminished community prevalence of COVID-19

Author

Jones, Nick K, Rivett, Lucy, Sparkes, Dominic, Forrest, Sally, Sridhar, Sushmita, Young, Jamie, Pereira-Dias, Joana, Cormie, Claire, Gill, Harmeet, Reynolds, Nicola, Wantoch, Michelle, Routledge, Matthew, Warne, Ben, Levy, Jack, Córdova Jiménez, William David, Samad, Fathima Nisha Begum, McNicholas, Chris, Ferris, Mark, Gray, Jane, Gill, Michael, Collaboration, The CITIID-NIHR COVID-19 BioResource, Curran, Martin D, Fuller, Stewart, Chaudhry, Afzal, Shaw, Ashley, Bradley, John R, Hannon, Gregory J, Goodfellow, Ian G, Dougan, Gordon, Smith, Kenneth GC, Wright, Giles, Baker, Stephen, Weekes, Michael P, Bradley, John, Goodfellow, Ian, Gupta, Ravi, Lehner, Paul J, Lyons, Paul A, Matheson, Nicholas J, Torok, M Estee, Toshner, Mark, Jones, Nick K [0000-0003-4475-7761], Sridhar, Sushmita [0000-0001-7453-7482], Hannon, Gregory J [0000-0003-4021-3898], Goodfellow, Ian G [0000-0002-9483-510X], Lehner, Paul J [0000-0001-9383-1054], Matheson, Nicholas J [0000-0002-3318-1851], Weekes, Michael P [0000-0003-3196-5545], and Apollo - University of Cambridge Repository

Subjects
Epidemiology and Global Health, SARS-CoV-2, infectious disease, occupational health, virus diseases, COVID-19, Research Advance, Human Biology and Medicine, virology, emerging pathogens, Human
Abstract

Funder: Addenbrooke's Charitable Trust, Cambridge University Hospitals; FundRef: http://dx.doi.org/10.13039/501100002927, Funder: National Institute for Health Research; FundRef: http://dx.doi.org/10.13039/501100000272, Previously, we showed that 3% (31/1032)of asymptomatic healthcare workers (HCWs) from a large teaching hospital in Cambridge, UK, tested positive for SARS-CoV-2 in April 2020. About 15% (26/169) HCWs with symptoms of coronavirus disease 2019 (COVID-19) also tested positive for SARS-CoV-2 (Rivett et al., 2020). Here, we show that the proportion of both asymptomatic and symptomatic HCWs testing positive for SARS-CoV-2 rapidly declined to near-zero between 25th April and 24th May 2020, corresponding to a decline in patient admissions with COVID-19 during the ongoing UK ‘lockdown’. These data demonstrate how infection prevention and control measures including staff testing may help prevent hospitals from becoming independent ‘hubs’ of SARS-CoV-2 transmission, and illustrate how, with appropriate precautions, organizations in other sectors may be able to resume on-site work safely.

Published
2020

8. Screening of healthcare workers for SARS-CoV-2 highlights the role of asymptomatic carriage in COVID-19 transmission

Author

Rivett, Lucy, primary, Sridhar, Sushmita, additional, Sparkes, Dominic, additional, Routledge, Matthew, additional, Jones, Nicholas K., additional, Forrest, Sally, additional, Young, Jamie, additional, Pereira-Dias, Joana, additional, Hamilton, William L, additional, Ferris, Mark, additional, Torok, Estee, additional, Meredith, Luke, additional, Bioresource Collaboration, The CITIID-NIHR COVI, additional, Curran, Martin, additional, Fuller, Stewart, additional, Chaudhry, Afzal, additional, Shaw, Ashley, additional, Samsworth, Richard J., additional, Bradley, John R., additional, Dougan, Gordon, additional, Smith, Kenneth G. C., additional, Lehner, Paul J., additional, Matheson, Nicholas J., additional, Wright, Giles, additional, Goodfellow, Ian, additional, Baker, Stephen, additional, and Weekes, Michael P., additional

Published
2020
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9. Johnson and Jonson

Author

Dear, Bruce and Wright, Giles

Subjects
Volpone (Play), Populism, Literature/writing, Political science
Abstract

Even by the New Statesman's high standards, George Walden's article ('Populists in power', 11 September) on how we got to our present (and depressingly parlous) populist moment was brilliant and [...]

Published
2020

11. Importance of gas grows towards 21st century

Author

Wright, Giles

Subjects
Italy -- Energy use, Eni S.p.A. -- Contracts, Natural gas -- Supply and demand, Gas industry -- Italy, Business, Business, international, Petroleum, energy and mining industries
Abstract

Natural gas is becoming an integral part of Italian energy demand, with consumption estimated at 65 to 68 bcm by the year 2000. SNAM, the country's primary supplier, will ship 27 bcm, or 41%, of this amount. Gas now accounts for 51% of the energy used in Italian homes and 40% of that used by industry. ENEL and other power producers are increasingly using gas technologies to avail themselves of low gas prices., Natural gas is assuming an increasingly important role in Italy's overall energy demand, according to SNAM, the main Italian gas carrier and a subsidiary of Italian ENI hydrocarbon group. In [...]

Published
1994

12. Schooling and Education. New Jersey Ethnic Life Series 4.

Author

New Jersey Historical Commission, Trenton. and Wright, Giles R.

Abstract

This booklet presents interviews with New Jersey residents from a variety of ethnic backgrounds on their educational experiences in the United States. The interviews were conducted in 1979 and 1980 as part of an oral history project. The volume was designed to educate New Jersey high school students about their state's rich ethnic heritage, and to help students to link their own ethnicity and educational experiences with those of the older citizens who came before them. The booklet also contains notes on the interviewees, capsule histories of the ethnic groups, a list of the interviewers, suggested readings for high school students, and a glossary. (DB)

Published
1987

13. The riddle of the sands.

Author

Wright, Giles

Subjects
*LIBYAN Desert glass, *METEORS, *IRIDIUM
Abstract

Discusses the puzzle of 1400 tons of the purest natural silica glass in the Lybian Sahara, so pure that nothing on Earth could have created them. Theories for how the glass came to be; The volcanic lake theory; The hard impact meteor theory based on deposits in some of the glass high in iridium; Lack of evidence for a crater or impact area; The soft impact meteor theory, in which a meteor exploded some distance above the desert; Discovery of a silica glass scarab in Tutankhamen's tomb.

Published
1999

14. In the eye of the beholder.

Author

Wright, Giles

Subjects
*VIRTUAL reality equipment, *VISUAL aids
Abstract

Discusses the Virtual Retinal Display (VRD), which was developed by Thomas Furness. How the VRD paints images directly onto eyes; How it works; The VRDs licencing to Microvision; Design of the VRD; Predictions of how it will look in the future; How it works; Problems of the VRD; The use of holographic optical element (HOE) with the VRD; Microvision's contracts for the VRD with the United States Air Force, Boeing, and others; How the VRD will help people with vision problems; How eye damage cannot occur from the laser; Use in operating rooms.

Published
1998

15. Decline and fall.

Author

Wright, Giles

Subjects
*ANCIENT civilization, *COMPUTER simulation
Abstract

Reports that computer scientists are recreating the growth and decline of ancient civilizations. Collapse of great empires within short periods of time; Historians' explanations of the reason for the civilizations' collapse; Scientists' attempt to recreate the course of history; Creation of artificial societies in machines; Matching of the simulation with evidence from particular civilizations.

Published
1997

18. Buyer's guide: features chart

Author

Wright-Giles, Karla and Hlavaty, Carolyn

Subjects
Directories, Functional Capabilities, Laptop/Portable Computer, Laptop Computers, Laptop computers -- Directories, Portable computers -- Directories
Published
1989

19. "Steal Away, Steal Away": New Jersey's Underground Railroad Heritage.

Author

Wright, Giles and Wonkeryor, Edward

Subjects
PUBLISHED reprints, UNDERGROUND Railroad (U.S. history), FUGITIVE slaves, ANTISLAVERY movements
Abstract

The article presents a reprint of the article "Steal Away, Steal Away': New Jersey's Underground Railroad Heritage," which appeared in the previous issue of "New Jersey History Commission." It provides an overview of the state's Underground Railroad (UGRR) routes. The UGRR is an epic American story featuring the forces of righteousness arrayed against the evil forces locked in moral combat over the elimination of the greatest expression of inhumanity. Names of famous UGRR operatives are listed.

Published
2007

20. Correspondence.

Author

Owen, David, Hannay, David, de la Bédoyère, Guy, Lennon, Jacob, Morley, Steve, Morrison, Nick, Pittock, Malcolm, Currie, Sheila, Mcilwaine, Chris, Gibbs, John, Peyton, Jerry, Smith, Geoff, Dear, Bruce, Wright, Giles, Croker, Jacquie, Henderson, Michael, and Royle, Nicholas

Published
2020

21. Jean Harvey Slappy's Philosophy and the Tradition of Marcus Garvey and Thomas W. Harvey.

Author

Spady, James G. and Wright, Giles R.

Abstract

Features the late philosopher Jean Marie Harvey Slappy. Family and career background of Slappy; Involvement of Slappy in the Second Antioch Baptist Church and the Universal Negro Improvement Association (UNIA); Influence of Slappy's father Marcus Mosiah Garvey on her philosophy.

Published
2003

22. Effective control of SARS-CoV-2 transmission between healthcare workers during a period of diminished community prevalence of COVID-19

Author

Jones, Nick K, Rivett, Lucy, Sparkes, Dominic, Forrest, Sally, Sridhar, Sushmita, Young, Jamie, Pereira-Dias, Joana, Cormie, Claire, Gill, Harmeet, Reynolds, Nicola, Wantoch, Michelle, Routledge, Matthew, Warne, Ben, Levy, Jack, Córdova Jiménez, William David, Samad, Fathima Nisha Begum, McNicholas, Chris, Ferris, Mark, Gray, Jane, Gill, Michael, CITIID-NIHR COVID-19 BioResource Collaboration, Curran, Martin D, Fuller, Stewart, Chaudhry, Afzal, Shaw, Ashley, Bradley, John R, Hannon, Gregory J, Goodfellow, Ian G, Dougan, Gordon, Smith, Kenneth Gc, Lehner, Paul J, Wright, Giles, Matheson, Nicholas J, Baker, Stephen, and Weekes, Michael P

Subjects
Adult, Male, medicine, Infectious Disease Transmission, Patient-to-Professional, infectious disease, Health Personnel, Pneumonia, Viral, global health, Real-Time Polymerase Chain Reaction, Hospitals, University, Betacoronavirus, COVID-19 Testing, Patient Admission, Nasopharynx, Disease Transmission, Infectious, Prevalence, Humans, Mass Screening, human, Hospitals, Teaching, Pandemics, emerging pathogens, Family Characteristics, Infection Control, SARS-CoV-2, Clinical Laboratory Techniques, virus diseases, COVID-19, human biology, Middle Aged, 3. Good health, virology, Community-Acquired Infections, Occupational Diseases, England, occupational health, Asymptomatic Diseases, epidemiology, Female, Contact Tracing, Symptom Assessment, Coronavirus Infections, Hospital Units, Program Evaluation
Abstract

Previously, we showed that 3% (31/1032)of asymptomatic healthcare workers (HCWs) from a large teaching hospital in Cambridge, UK, tested positive for SARS-CoV-2 in April 2020. About 15% (26/169) HCWs with symptoms of coronavirus disease 2019 (COVID-19) also tested positive for SARS-CoV-2 (Rivett et al., 2020). Here, we show that the proportion of both asymptomatic and symptomatic HCWs testing positive for SARS-CoV-2 rapidly declined to near-zero between 25th April and 24th May 2020, corresponding to a decline in patient admissions with COVID-19 during the ongoing UK 'lockdown'. These data demonstrate how infection prevention and control measures including staff testing may help prevent hospitals from becoming independent 'hubs' of SARS-CoV-2 transmission, and illustrate how, with appropriate precautions, organizations in other sectors may be able to resume on-site work safely.

23. Screening of healthcare workers for SARS-CoV-2 highlights the role of asymptomatic carriage in COVID-19 transmission

Author

Rivett, Lucy, Sridhar, Sushmita, Sparkes, Dominic, Routledge, Matthew, Jones, Nick K, Forrest, Sally, Young, Jamie, Pereira-Dias, Joana, Hamilton, William L, Ferris, Mark, Torok, M Estee, Meredith, Luke, CITIID-NIHR COVID-19 BioResource Collaboration, Curran, Martin D, Fuller, Stewart, Chaudhry, Afzal, Shaw, Ashley, Samworth, Richard J, Bradley, John R, Dougan, Gordon, Smith, Kenneth Gc, Lehner, Paul J, Matheson, Nicholas J, Wright, Giles, Goodfellow, Ian G, Baker, Stephen, and Weekes, Michael P

Subjects
Male, medicine, COVID-19 Vaccines, infectious disease, Health Personnel, education, Pneumonia, Viral, global health, virus, Real-Time Polymerase Chain Reaction, Betacoronavirus, COVID-19 Testing, Humans, human, Asymptomatic Infections, Pandemics, emerging pathogens, Infection Control, SARS-CoV-2, Clinical Laboratory Techniques, virus diseases, COVID-19, human biology, United Kingdom, 3. Good health, virology, occupational health, epidemiology, Female, Coronavirus Infections
Abstract

Significant differences exist in the availability of healthcare worker (HCW) SARS-CoV-2 testing between countries, and existing programmes focus on screening symptomatic rather than asymptomatic staff. Over a 3 week period (April 2020), 1032 asymptomatic HCWs were screened for SARS-CoV-2 in a large UK teaching hospital. Symptomatic staff and symptomatic household contacts were additionally tested. Real-time RT-PCR was used to detect viral RNA from a throat+nose self-swab. 3% of HCWs in the asymptomatic screening group tested positive for SARS-CoV-2. 17/30 (57%) were truly asymptomatic/pauci-symptomatic. 12/30 (40%) had experienced symptoms compatible with coronavirus disease 2019 (COVID-19)>7 days prior to testing, most self-isolating, returning well. Clusters of HCW infection were discovered on two independent wards. Viral genome sequencing showed that the majority of HCWs had the dominant lineage B∙1. Our data demonstrates the utility of comprehensive screening of HCWs with minimal or no symptoms. This approach will be critical for protecting patients and hospital staff.

24. Single-dose BNT162b2 vaccine protects against asymptomatic SARS-CoV-2 infection

Author

Jones, Nick K, Rivett, Lucy, Seaman, Shaun, Samworth, Richard J, Warne, Ben, Workman, Chris, Ferris, Mark, Wright, Jo, Quinnell, Natalie, Shaw, Ashley, Cambridge COVID-19 Collaboration, Goodfellow, Ian G, Lehner, Paul J, Howes, Rob, Wright, Giles, Matheson, Nicholas J, and Weekes, Michael P

Subjects
COVID-19 Vaccines, SARS-CoV-2, infectious disease, Health Personnel, microbiology, Vaccination, Immunization, Secondary, COVID-19, global health, 3. Good health, asymptomatic, Humans, BNT162b2, Pfizer-BioNTech, epidemiology, human, Asymptomatic Infections, BNT162 Vaccine, Immunization Schedule
Abstract

The BNT162b2 mRNA COVID-19 vaccine (Pfizer-BioNTech) is being utilised internationally for mass COVID-19 vaccination. Evidence of single-dose protection against symptomatic disease has encouraged some countries to opt for delayed booster doses of BNT162b2, but the effect of this strategy on rates of asymptomatic SARS-CoV-2 infection remains unknown. We previously demonstrated frequent pauci- and asymptomatic SARS-CoV-2 infection amongst healthcare workers (HCWs) during the UK's first wave of the COVID-19 pandemic, using a comprehensive PCR-based HCW screening programme (Rivett et al., 2020; Jones et al., 2020). Here, we evaluate the effect of first-dose BNT162b2 vaccination on test positivity rates and find a fourfold reduction in asymptomatic infection amongst HCWs ≥12 days post-vaccination. These data provide real-world evidence of short-term protection against asymptomatic SARS-CoV-2 infection following a single dose of BNT162b2 vaccine, suggesting that mass first-dose vaccination will reduce SARS-CoV-2 transmission, as well as the burden of COVID-19 disease.

26. Letters.

Author

Giddings, Dorthe H., Anthony, Mary, Vogt, William, Baker, James W., Maun Jr., George F., Farnsworth, Robert L., Newby, Jessie, Wright, Giles E., Klotz, Alvin F., Bourk Jr., A., Wenger, Lee, Rogue, William, Pillath, Susanne, and Elliott, Lewis H.

Subjects
*LETTERS to the editor, *POLITICS & culture, *FAMILIES, *CHARIOT racing, *POETRY (Literary form)
Abstract

Presents letters to the editor referencing articles and topics discussed in previous issues related to politics and culture. "Is There Hope for Hopeless Families," by Carl T. Rowan, which discussed on the incompetence of families, in the July 1958 issue; "A Visit With Eddie Arcaro," which provided information on the statement of the wins and winnings of Eddie Arcaro, a charioteer; "American Primitive," a poem by Martha Keller, in the July 5, 1958 issue.

Published
1958

27. Effective control of SARS-CoV-2 transmission between healthcare workers during a period of diminished community prevalence of COVID-19.

Author

Jones NK, Rivett L, Sparkes D, Forrest S, Sridhar S, Young J, Pereira-Dias J, Cormie C, Gill H, Reynolds N, Wantoch M, Routledge M, Warne B, Levy J, Córdova Jiménez WD, Samad FNB, McNicholas C, Ferris M, Gray J, Gill M, Curran MD, Fuller S, Chaudhry A, Shaw A, Bradley JR, Hannon GJ, Goodfellow IG, Dougan G, Smith KG, Lehner PJ, Wright G, Matheson NJ, Baker S, and Weekes MP

Subjects
Adult, Asymptomatic Diseases, Betacoronavirus genetics, Betacoronavirus isolation & purification, COVID-19, COVID-19 Testing, Community-Acquired Infections transmission, Contact Tracing, Coronavirus Infections diagnosis, Coronavirus Infections epidemiology, Coronavirus Infections prevention & control, Disease Transmission, Infectious prevention & control, England epidemiology, Family Characteristics, Female, Hospital Units, Hospitals, Teaching organization & administration, Hospitals, Teaching statistics & numerical data, Hospitals, University organization & administration, Hospitals, University statistics & numerical data, Humans, Infection Control, Infectious Disease Transmission, Patient-to-Professional statistics & numerical data, Male, Mass Screening organization & administration, Middle Aged, Nasopharynx virology, Occupational Diseases epidemiology, Patient Admission statistics & numerical data, Pneumonia, Viral diagnosis, Pneumonia, Viral epidemiology, Pneumonia, Viral prevention & control, Prevalence, Program Evaluation, Real-Time Polymerase Chain Reaction, SARS-CoV-2, Symptom Assessment, Clinical Laboratory Techniques statistics & numerical data, Coronavirus Infections transmission, Health Personnel, Mass Screening statistics & numerical data, Occupational Diseases prevention & control, Pandemics prevention & control, Pneumonia, Viral transmission
Abstract

Previously, we showed that 3% (31/1032)of asymptomatic healthcare workers (HCWs) from a large teaching hospital in Cambridge, UK, tested positive for SARS-CoV-2 in April 2020. About 15% (26/169) HCWs with symptoms of coronavirus disease 2019 (COVID-19) also tested positive for SARS-CoV-2 (Rivett et al., 2020). Here, we show that the proportion of both asymptomatic and symptomatic HCWs testing positive for SARS-CoV-2 rapidly declined to near-zero between 25th April and 24th May 2020, corresponding to a decline in patient admissions with COVID-19 during the ongoing UK 'lockdown'. These data demonstrate how infection prevention and control measures including staff testing may help prevent hospitals from becoming independent 'hubs' of SARS-CoV-2 transmission, and illustrate how, with appropriate precautions, organizations in other sectors may be able to resume on-site work safely., Competing Interests: NJ, LR, DS, SF, SS, JY, JP, CC, HG, NR, MW, MR, BW, JL, WC, FS, CM, MF, JG, MG, MC, SF, AS, JB, GH, GW No competing interests declared, AC Afzal Chaudhry reports grants from Cambridge Biomedical Research Centre at CUHNFT, during the conduct of the study. IG Ian Goodfellow reports grants from Wellcome Trust (Senior Research Fellowships), grants from Wellcome Trust (Collaborative Award), grants from Addenbrooke's Charitable Trust, during the conduct of the study. GD Gordon Dougan reports grants from NIHR, during the conduct of the study. KS Kenneth GC Smith reports grants from Wellcome Trust, during the conduct of the study. PL Paul J Lehner reports grants from Wellcome Trust Principal Research Fellowship, grants from Addenbrooke's Charitable Trust, during the conduct of the study. NM Nicholas J Matheson reports grants from Medical Research Council (Clinician Scientist Fellowship), grants from NHS Blood and Transfusion, during the conduct of the study. SB Stephen Baker reports grants from Wellcome Trust (Senior Research Fellowships), from Addenbrooke's Charitable Trust, during the conduct of the study. MW Michael P Weekes reports grants from Wellcome Trust (Senior Research Fellowships), from Addenbrooke's Charitable Trust, during the conduct of the study., (© 2020, Jones et al.)

Published
2020
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28. Screening of healthcare workers for SARS-CoV-2 highlights the role of asymptomatic carriage in COVID-19 transmission.

Author

Rivett L, Sridhar S, Sparkes D, Routledge M, Jones NK, Forrest S, Young J, Pereira-Dias J, Hamilton WL, Ferris M, Torok ME, Meredith L, Curran MD, Fuller S, Chaudhry A, Shaw A, Samworth RJ, Bradley JR, Dougan G, Smith KG, Lehner PJ, Matheson NJ, Wright G, Goodfellow IG, Baker S, and Weekes MP

Subjects
Betacoronavirus physiology, COVID-19, COVID-19 Testing, COVID-19 Vaccines, Coronavirus Infections diagnosis, Coronavirus Infections epidemiology, Coronavirus Infections transmission, Female, Humans, Infection Control, Male, Pandemics, Pneumonia, Viral diagnosis, Pneumonia, Viral epidemiology, Pneumonia, Viral transmission, Real-Time Polymerase Chain Reaction, SARS-CoV-2, United Kingdom epidemiology, Asymptomatic Infections, Clinical Laboratory Techniques, Health Personnel
Abstract

Significant differences exist in the availability of healthcare worker (HCW) SARS-CoV-2 testing between countries, and existing programmes focus on screening symptomatic rather than asymptomatic staff. Over a 3 week period (April 2020), 1032 asymptomatic HCWs were screened for SARS-CoV-2 in a large UK teaching hospital. Symptomatic staff and symptomatic household contacts were additionally tested. Real-time RT-PCR was used to detect viral RNA from a throat+nose self-swab. 3% of HCWs in the asymptomatic screening group tested positive for SARS-CoV-2. 17/30 (57%) were truly asymptomatic/pauci-symptomatic. 12/30 (40%) had experienced symptoms compatible with coronavirus disease 2019 (COVID-19)>7 days prior to testing, most self-isolating, returning well. Clusters of HCW infection were discovered on two independent wards. Viral genome sequencing showed that the majority of HCWs had the dominant lineage B∙1. Our data demonstrates the utility of comprehensive screening of HCWs with minimal or no symptoms. This approach will be critical for protecting patients and hospital staff., Competing Interests: LR, SS, DS, MR, NJ, SF, JY, JP, WH, MF, LM, MC, SF, AS, JB, GW No competing interests declared, MT Reports grants from Academy of Medical Sciences and the Health Foundation, non-financial support from National Institute of Health Research, grants from Medical Research Council, grants from Global Challenges Research Fund, personal fees from Wellcome Sanger Institute, personal fees from University of Cambridge, personal fees from Oxford University Press, AC Reports grants from Cambridge Biomedical Research Centre at CUHNFT, RS Reports grants from EPSRC fellowship, GD Reports grants from NIHR, KS, MW Reports grants from Wellcome Trust, PL, IG, SB Reports grants from Wellcome Trust and Addenbrooke's Charitable Trust, NM Reports grants from MRC (UK) and NHS Blood and Transfusion, (© 2020, Rivett et al.)

Published
2020
Full Text
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