13 results on '"Assadi, Sara"'
Search Results
2. Exhaled SARS-CoV-2 RNA viral load kinetics measured by facemask sampling associates with household transmission
- Author
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Pan, Daniel, Williams, Caroline M., Decker, Jonathan, Fletcher, Eve, Sze, Shirley, Assadi, Sara, Haigh, Richard, Saleem, Baber, Nazareth, Joshua, Garton, Natalie J., Pareek, Manish, and Barer, Michael R.
- Published
- 2023
- Full Text
- View/download PDF
3. 12 Exhaled SARS-CoV-2 viral load kinetics measured by facemask sampling and its association with household transmission – a longitudinal cohort study
- Author
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Pan, Daniel, primary, Williams, Caroline, additional, Decker, Jonathan, additional, Fletcher, Eve, additional, Sze, Shirley, additional, Assadi, Sara, additional, Haigh, Richard, additional, Saleem, Baber, additional, Nazareth, Joshua, additional, Garton, Natalie, additional, Pareek, Manish, additional, and Barer, Michael, additional
- Published
- 2022
- Full Text
- View/download PDF
4. Exhaled SARS-CoV-2 RNA viral load kinetics measured by facemask sampling associates with household transmission
- Author
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Pan, Daniel, primary, Williams, Caroline M., additional, Decker, Jonathan, additional, Fletcher, Eve, additional, Sze, Shirley, additional, Assadi, Sara, additional, Haigh, Richard, additional, Saleem, Baber, additional, Nazareth, Joshua, additional, Garton, Natalie J., additional, Pareek, Manish, additional, and Barer, Michael R., additional
- Published
- 2022
- Full Text
- View/download PDF
5. Omicron-B.1.1.529 leads to widespread escape from neutralizing antibody responses
- Author
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Dejnirattisai, Wanwisa, Huo, Jiandong, Zhou, Daming, Zahradník, Jiří, Supasa, Piyada, Liu, Chang, Duyvesteyn, Helen M.E., Ginn, Helen M., Mentzer, Alexander J., Tuekprakhon, Aekkachai, Nutalai, Rungtiwa, Wang, Beibei, Dijokaite, Aiste, Khan, Suman, Avinoam, Ori, Bahar, Mohammad, Skelly, Donal, Adele, Sandra, Johnson, Sile Ann, Amini, Ali, Ritter, Thomas, Mason, Chris, Dold, Christina, Pan, Daniel, Assadi, Sara, Bellass, Adam, Omo-Dare, Nikki, Koeckerling, David, Flaxman, Amy, Jenkin, Daniel, Aley, Parvinder K, Voysey, Merryn, Clemens, Sue Ann Costa, Naveca, Felipe Gomes, Nascimento, Valdinete, Nascimento, Fernanda, Fernandes da Costa, Cristiano, Resende, Paola Cristina, Pauvolid-Correa, Alex, Siqueira, Marilda M., Baillie, Vicky, Serafin, Natali, Ditse, Zanele, Da Silva, Kelly, Madhi, Shabir, Nunes, Marta C, Malik, Tariq, Openshaw, Peter JM, Baillie, J Kenneth, Semple, Malcolm G, Townsend, Alain R, Huang, Kuan-Ying A., Tan, Tiong Kit, Carroll, Miles W., Klenerman, Paul, Barnes, Eleanor, Dunachie, Susanna J., Constantinides, Bede, Webster, Hermione, Crook, Derrick, Pollard, Andrew J, Lambe, Teresa, Paterson, Neil G., Williams, Mark A., Hall, David R., Fry, Elizabeth E., Mongkolsapaya, Juthathip, Ren, Jingshan, Schreiber, Gideon, Stuart, David I., and Screaton, Gavin R
- Subjects
Article - Abstract
SummaryOn the 24th November 2021 the sequence of a new SARS CoV-2 viral isolate spreading rapidly in Southern Africa was announced, containing far more mutations in Spike (S) than previously reported variants. Neutralization titres of Omicron by sera from vaccinees and convalescent subjects infected with early pandemic as well as Alpha, Beta, Gamma, Delta are substantially reduced or fail to neutralize. Titres against Omicron are boosted by third vaccine doses and are high in cases both vaccinated and infected by Delta. Mutations in Omicron knock out or substantially reduce neutralization by most of a large panel of potent monoclonal antibodies and antibodies under commercial development. Omicron S has structural changes from earlier viruses, combining mutations conferring tight binding to ACE2 to unleash evolution driven by immune escape, leading to a large number of mutations in the ACE2 binding site which rebalance receptor affinity to that of early pandemic viruses.
- Published
- 2021
6. SARS-CoV-2 Omicron-B.1.1.529 leads to widespread escape from neutralizing antibody responses
- Author
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Dejnirattisai, Wanwisa, primary, Huo, Jiandong, additional, Zhou, Daming, additional, Zahradník, Jiří, additional, Supasa, Piyada, additional, Liu, Chang, additional, Duyvesteyn, Helen M.E., additional, Ginn, Helen M., additional, Mentzer, Alexander J., additional, Tuekprakhon, Aekkachai, additional, Nutalai, Rungtiwa, additional, Wang, Beibei, additional, Dijokaite, Aiste, additional, Khan, Suman, additional, Avinoam, Ori, additional, Bahar, Mohammad, additional, Skelly, Donal, additional, Adele, Sandra, additional, Johnson, Sile Ann, additional, Amini, Ali, additional, Ritter, Thomas G., additional, Mason, Chris, additional, Dold, Christina, additional, Pan, Daniel, additional, Assadi, Sara, additional, Bellass, Adam, additional, Omo-Dare, Nicola, additional, Koeckerling, David, additional, Flaxman, Amy, additional, Jenkin, Daniel, additional, Aley, Parvinder K., additional, Voysey, Merryn, additional, Costa Clemens, Sue Ann, additional, Naveca, Felipe Gomes, additional, Nascimento, Valdinete, additional, Nascimento, Fernanda, additional, Fernandes da Costa, Cristiano, additional, Resende, Paola Cristina, additional, Pauvolid-Correa, Alex, additional, Siqueira, Marilda M., additional, Baillie, Vicky, additional, Serafin, Natali, additional, Kwatra, Gaurav, additional, Da Silva, Kelly, additional, Madhi, Shabir A., additional, Nunes, Marta C., additional, Malik, Tariq, additional, Openshaw, Peter J.M., additional, Baillie, J. Kenneth, additional, Semple, Malcolm G., additional, Townsend, Alain R., additional, Huang, Kuan-Ying A., additional, Tan, Tiong Kit, additional, Carroll, Miles W., additional, Klenerman, Paul, additional, Barnes, Eleanor, additional, Dunachie, Susanna J., additional, Constantinides, Bede, additional, Webster, Hermione, additional, Crook, Derrick, additional, Pollard, Andrew J., additional, Lambe, Teresa, additional, Paterson, Neil G., additional, Williams, Mark A., additional, Hall, David R., additional, Fry, Elizabeth E., additional, Mongkolsapaya, Juthathip, additional, Ren, Jingshan, additional, Schreiber, Gideon, additional, Stuart, David I., additional, Screaton, Gavin R., additional, Conlon, Christopher, additional, Deeks, Alexandra S., additional, Frater, John, additional, Frending, Lisa, additional, Gardiner, Siobhan, additional, Jämsén, Anni, additional, Jeffery, Katie, additional, Malone, Tom, additional, Phillips, Eloise, additional, Rothwell, Lucy, additional, Stafford, Lizzie, additional, Baillie, J Kenneth, additional, Openshaw, Peter JM., additional, Carson, Gail, additional, Alex, Beatrice, additional, Andrikopoulos, Petros, additional, Bach, Benjamin, additional, Barclay, Wendy S., additional, Bogaert, Debby, additional, Chand, Meera, additional, Chechi, Kanta, additional, Cooke, Graham S., additional, da Silva Filipe, Ana, additional, de Silva, Thushan, additional, Docherty, Annemarie B., additional, dos Santos Correia, Gonçalo, additional, Dumas, Marc-Emmanuel, additional, Dunning, Jake, additional, Fletcher, Tom, additional, Green, Christoper A., additional, Greenhalf, William, additional, Griffin, Julian L., additional, Gupta, Rishi K., additional, Harrison, Ewen M., additional, Hiscox, Julian A., additional, Wai Ho, Antonia Ying, additional, Horby, Peter W., additional, Ijaz, Samreen, additional, Khoo, Saye, additional, Law, Andrew, additional, Lewis, Matthew R., additional, Liggi, Sonia, additional, Lim, Wei Shen, additional, Maslen, Lynn, additional, Merson, Laura, additional, Meynert, Alison M., additional, Moore, Shona C., additional, Noursadeghi, Mahdad, additional, Olanipekun, Michael, additional, Osagie, Anthonia, additional, Palmarini, Massimo, additional, Palmieri, Carlo, additional, Paxton, William A., additional, Pollakis, Georgios, additional, Price, Nicholas, additional, Rambaut, Andrew, additional, Robertson, David L., additional, Russell, Clark D., additional, Sancho-Shimizu, Vanessa, additional, Sands, Caroline J., additional, Scott, Janet T., additional, Sigfrid, Louise, additional, Solomon, Tom, additional, Sriskandan, Shiranee, additional, Stuart, David, additional, Summers, Charlotte, additional, Swann, Olivia V., additional, Takats, Zoltan, additional, Takis, Panteleimon, additional, Tedder, Richard S., additional, Thompson, AA Roger, additional, Thomson, Emma C., additional, Thwaites, Ryan S., additional, Turtle, Lance CW., additional, Zambon, Maria, additional, Hardwick, Hayley, additional, Donohue, Chloe, additional, Griffiths, Fiona, additional, Oosthuyzen, Wilna, additional, Donegan, Cara, additional, Spencer, Rebecca G., additional, Norman, Lisa, additional, Pius, Riinu, additional, Drake, Thomas M., additional, Fairfield, Cameron J., additional, Knight, Stephen R., additional, Mclean, Kenneth A., additional, Murphy, Derek, additional, Shaw, Catherine A., additional, Dalton, Jo, additional, Girvan, Michelle, additional, Saviciute, Egle, additional, Roberts, Stephanie, additional, Harrison, Janet, additional, Marsh, Laura, additional, Connor, Marie, additional, Halpin, Sophie, additional, Jackson, Clare, additional, Gamble, Carrol, additional, Plotkin, Daniel, additional, Lee, James, additional, Leeming, Gary, additional, Wham, Murray, additional, Clohisey, Sara, additional, Hendry, Ross, additional, Scott-Brown, James, additional, Shaw, Victoria, additional, McDonald, Sarah E., additional, Keating, Seán, additional, Ahmed, Katie A., additional, Armstrong, Jane A., additional, Ashworth, Milton, additional, Asiimwe, Innocent G., additional, Bakshi, Siddharth, additional, Barlow, Samantha L., additional, Booth, Laura, additional, Brennan, Benjamin, additional, Bullock, Katie, additional, Catterall, Benjamin WA., additional, Clark, Jordan J., additional, Clarke, Emily A., additional, Cole, Sarah, additional, Cooper, Louise, additional, Cox, Helen, additional, Davis, Christopher, additional, Dincarslan, Oslem, additional, Dunn, Chris, additional, Dyer, Philip, additional, Elliott, Angela, additional, Evans, Anthony, additional, Finch, Lorna, additional, Fisher, Lewis WS., additional, Foster, Terry, additional, Garcia-Dorival, Isabel, additional, Gunning, Philip, additional, Hartley, Catherine, additional, Jensen, Rebecca L., additional, Jones, Christopher B., additional, Jones, Trevor R., additional, Khandaker, Shadia, additional, King, Katharine, additional, Kiy, Robyn T., additional, Koukorava, Chrysa, additional, Lake, Annette, additional, Lant, Suzannah, additional, Latawiec, Diane, additional, Lavelle-Langham, Lara, additional, Lefteri, Daniella, additional, Lett, Lauren, additional, Livoti, Lucia A., additional, Mancini, Maria, additional, McDonald, Sarah, additional, McEvoy, Laurence, additional, McLauchlan, John, additional, Metelmann, Soeren, additional, Miah, Nahida S., additional, Middleton, Joanna, additional, Mitchell, Joyce, additional, Murphy, Ellen G., additional, Penrice-Randal, Rebekah, additional, Pilgrim, Jack, additional, Prince, Tessa, additional, Reynolds, Will, additional, Ridley, P. Matthew, additional, Sales, Debby, additional, Shaw, Victoria E., additional, Shears, Rebecca K., additional, Small, Benjamin, additional, Subramaniam, Krishanthi S., additional, Szemiel, Agnieska, additional, Taggart, Aislynn, additional, Tanianis-Hughes, Jolanta, additional, Thomas, Jordan, additional, Trochu, Erwan, additional, van Tonder, Libby, additional, Wilcock, Eve, additional, Zhang, J. Eunice, additional, Flaherty, Lisa, additional, Maziere, Nicole, additional, Cass, Emily, additional, Carracedo, Alejandra Doce, additional, Carlucci, Nicola, additional, Holmes, Anthony, additional, Massey, Hannah, additional, Murphy, Lee, additional, McCafferty, Sarah, additional, Clark, Richard, additional, Fawkes, Angie, additional, Morrice, Kirstie, additional, Maclean, Alan, additional, Wrobel, Nicola, additional, Donnelly, Lorna, additional, Coutts, Audrey, additional, Hafezi, Katarzyna, additional, MacGillivray, Louise, additional, Gilchrist, Tammy, additional, Adeniji, Kayode, additional, Agranoff, Daniel, additional, Agwuh, Ken, additional, Ail, Dhiraj, additional, Aldera, Erin L., additional, Alegria, Ana, additional, Allen, Sam, additional, Angus, Brian, additional, Ashish, Abdul, additional, Atkinson, Dougal, additional, Bari, Shahedal, additional, Barlow, Gavin, additional, Barnass, Stella, additional, Barrett, Nicholas, additional, Bassford, Christopher, additional, Basude, Sneha, additional, Baxter, David, additional, Beadsworth, Michael, additional, Bernatoniene, Jolanta, additional, Berridge, John, additional, Berry, Colin, additional, Best, Nicola, additional, Bothma, Pieter, additional, Chadwick, David, additional, Brittain-Long, Robin, additional, Bulteel, Naomi, additional, Burden, Tom, additional, Burtenshaw, Andrew, additional, Caruth, Vikki, additional, Chambler, Duncan, additional, Chee, Nigel, additional, Child, Jenny, additional, Chukkambotla, Srikanth, additional, Clark, Tom, additional, Collini, Paul, additional, Cosgrove, Catherine, additional, Cupitt, Jason, additional, Cutino-Moguel, Maria-Teresa, additional, Dark, Paul, additional, Dawson, Chris, additional, Dervisevic, Samir, additional, Donnison, Phil, additional, Douthwaite, Sam, additional, Drummond, Andrew, additional, DuRand, Ingrid, additional, Dushianthan, Ahilanadan, additional, Dyer, Tristan, additional, Evans, Cariad, additional, Eziefula, Chi, additional, Fegan, Chrisopher, additional, Finn, Adam, additional, Fullerton, Duncan, additional, Garg, Sanjeev, additional, Garg, Atul, additional, Gkrania-Klotsas, Effrossyni, additional, Godden, Jo, additional, Goldsmith, Arthur, additional, Graham, Clive, additional, Hardy, Elaine, additional, Hartshorn, Stuart, additional, Harvey, Daniel, additional, Havalda, Peter, additional, Hawcutt, Daniel B., additional, Hobrok, Maria, additional, Hodgson, Luke, additional, Hormis, Anil, additional, Jacobs, Michael, additional, Jain, Susan, additional, Jennings, Paul, additional, Kaliappan, Agilan, additional, Kasipandian, Vidya, additional, Kegg, Stephen, additional, Kelsey, Michael, additional, Kendall, Jason, additional, Kerrison, Caroline, additional, Kerslake, Ian, additional, Koch, Oliver, additional, Koduri, Gouri, additional, Koshy, George, additional, Laha, Shondipon, additional, Laird, Steven, additional, Larkin, Susan, additional, Leiner, Tamas, additional, Lillie, Patrick, additional, Limb, James, additional, Linnett, Vanessa, additional, Little, Jeff, additional, Lyttle, Mark, additional, MacMahon, Michael, additional, MacNaughton, Emily, additional, Mankregod, Ravish, additional, Masson, Huw, additional, Matovu, Elijah, additional, McCullough, Katherine, additional, McEwen, Ruth, additional, Meda, Manjula, additional, Mills, Gary, additional, Minton, Jane, additional, Mirfenderesky, Mariyam, additional, Mohandas, Kavya, additional, Mok, Quen, additional, Moon, James, additional, Moore, Elinoor, additional, Morgan, Patrick, additional, Morris, Craig, additional, Mortimore, Katherine, additional, Moses, Samuel, additional, Mpenge, Mbiye, additional, Mulla, Rohinton, additional, Murphy, Michael, additional, Nagel, Megan, additional, Nagarajan, Thapas, additional, Nelson, Mark, additional, Norris, Lillian, additional, O’Shea, Matthew K., additional, Otahal, Igor, additional, Ostermann, Marlies, additional, Pais, Mark, additional, Panchatsharam, Selva, additional, Papakonstantinou, Danai, additional, Paraiso, Hassan, additional, Patel, Brij, additional, Pattison, Natalie, additional, Pepperell, Justin, additional, Peters, Mark, additional, Phull, Mandeep, additional, Pintus, Stefania, additional, Pooni, Jagtur Singh, additional, Planche, Tim, additional, Post, Frank, additional, Price, David, additional, Prout, Rachel, additional, Rae, Nikolas, additional, Reschreiter, Henrik, additional, Reynolds, Tim, additional, Richardson, Neil, additional, Roberts, Mark, additional, Roberts, Devender, additional, Rose, Alistair, additional, Rousseau, Guy, additional, Ruge, Bobby, additional, Ryan, Brendan, additional, Saluja, Taranprit, additional, Schmid, Matthias L., additional, Shah, Aarti, additional, Shanmuga, Prad, additional, Sharma, Anil, additional, Shawcross, Anna, additional, Sizer, Jeremy, additional, Shankar-Hari, Manu, additional, Smith, Richard, additional, Snelson, Catherine, additional, Spittle, Nick, additional, Staines, Nikki, additional, Stambach, Tom, additional, Stewart, Richard, additional, Subudhi, Pradeep, additional, Szakmany, Tamas, additional, Tatham, Kate, additional, Thomas, Jo, additional, Thompson, Chris, additional, Thompson, Robert, additional, Tridente, Ascanio, additional, Tupper-Carey, Darell, additional, Twagira, Mary, additional, Vallotton, Nick, additional, Vancheeswaran, Rama, additional, Vincent-Smith, Lisa, additional, Visuvanathan, Shico, additional, Vuylsteke, Alan, additional, Waddy, Sam, additional, Wake, Rachel, additional, Walden, Andrew, additional, Welters, Ingeborg, additional, Whitehouse, Tony, additional, Whittaker, Paul, additional, Whittington, Ashley, additional, Papineni, Padmasayee, additional, Wijesinghe, Meme, additional, Williams, Martin, additional, Wilson, Lawrence, additional, Winchester, Stephen, additional, Wiselka, Martin, additional, Wolverson, Adam, additional, Wootton, Daniel G., additional, Workman, Andrew, additional, Yates, Bryan, additional, and Young, Peter, additional
- Published
- 2022
- Full Text
- View/download PDF
7. Quantification and prognostic significance of interferon-γ secreting SARS-CoV-2 responsive T cells in hospitalised patients with acute COVID-19
- Author
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Pan, Daniel, primary, Kim, Jee Whang, additional, Nazareth, Joshua, additional, Assadi, Sara, additional, Bellass, Adam, additional, Leach, Jack, additional, Brosnan, James G, additional, Ahmed, Adam, additional, Starcevic, Fleur, additional, Sze, Shirley, additional, Martin, Christopher A, additional, Williams, Caroline M, additional, Barer, Michael R, additional, Sahota, Amandip, additional, Patel, Prashanth, additional, Tattersall, Andrea, additional, Cooper, Andrea, additional, Pareek, Manish, additional, and Haldar, Pranabashis, additional
- Published
- 2021
- Full Text
- View/download PDF
8. Could the Use of Antihistamines Have Triggered Reversible Cerebral Vasoconstriction Syndrome? A Case Report
- Author
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Assadi, Sara, primary, Rahman, Latif, additional, Kong, Mark, additional, and Asad, Sukaina, additional
- Published
- 2021
- Full Text
- View/download PDF
9. Exhaled SARS-CoV-2 quantified by face-mask sampling in hospitalised patients with COVID-19
- Author
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Williams, Caroline M., primary, Pan, Daniel, additional, Decker, Jonathan, additional, Wisniewska, Anika, additional, Fletcher, Eve, additional, Sze, Shirley, additional, Assadi, Sara, additional, Haigh, Richard, additional, Abdulwhhab, Mohamad, additional, Bird, Paul, additional, Holmes, Christopher W, additional, Al-Taie, Alaa, additional, Saleem, Baber, additional, Pan, Jingzhe, additional, Garton, Natalie J, additional, Pareek, Manish, additional, and Barer, Michael R, additional
- Published
- 2021
- Full Text
- View/download PDF
10. Quantification and prognostic significance of interferon-γ secreting SARS-CoV-2 responsive T cells in hospitalized patients with acute COVID-19.
- Author
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Pan, Daniel, Kim, Jee Whang, Nazareth, Joshua, Assadi, Sara, Bellass, Adam, Leach, Jack, Brosnan, James G, Ahmed, Adam, Starcevic, Fleur, Sze, Shirley, Martin, Christopher A, Williams, Caroline M, Barer, Michael R, Sahota, Amandip, Patel, Prashanth, Tattersall, Andrea, Cooper, Andrea, Pareek, Manish, and Haldar, Pranabashis
- Published
- 2022
- Full Text
- View/download PDF
11. Exhaled SARS-CoV-2 quantified by face-mask sampling in hospitalised patients with covid-19
- Author
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Williams, Caroline, primary, Pan, Daniel, additional, Decker, Jonathan, additional, Fletcher, Eve, additional, Wisniewska, Anika, additional, Sze, Shirley, additional, Assadi, Sara, additional, Haigh, Richard, additional, Abdulwhhab, Mohamad, additional, Bird, Paul, additional, Holmes, Christopher, additional, Al-Taie, Alaa, additional, Saleem, Baber, additional, Pan, Jingzhe, additional, Garton, Natalie, additional, Pareek, Manish, additional, and Barer, Michael, additional
- Published
- 2020
- Full Text
- View/download PDF
12. Bäste Den det vederbör : En studie av artighet i skriftliga klagomål till en svensk myndighet
- Author
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Assadi, Sara
- Subjects
General Language Studies and Linguistics ,Jämförande språkvetenskap och allmän lingvistik - Abstract
I denna undersökning analyseras hur artighetsstrategier och ansiktshot realiseras med Brown & Levinsons artighetsteori som grund. Materialet består av sextio skriftliga klagomål som Stockholms stads trafikkontor tagit emot mellan åren 1977 och 2017. De har skickats in via brev, mejl, mobilapplikationen Tyck till samt Stockholms stads webbplats. Syftet är att se vilka strategier som används för att uttrycka ansiktshot, men också för att kringgå dem. Resultatet visar att det förekommit olika tendenser vad gäller hur skribenterna uttrycker både artighetsstrategier och ansiktshot. Det tidiga materialet präglas av fler modala verb som signalerar lägre förpliktelse samt passiva verb och nominaliseringar för att utelämna mottagaren. Över tid ökar förekomsten av kritik och fler skribenter både ifrågasätter och nedvärderar trafikkontorets arbete. Mot slutet av mätperioden blir meddelandena dock opersonligare med färre aktörer och värderingar.
- Published
- 2018
13. Omicron-B.1.1.529 leads to widespread escape from neutralizing antibody responses.
- Author
-
Dejnirattisai W, Huo J, Zhou D, Zahradník J, Supasa P, Liu C, Duyvesteyn HME, Ginn HM, Mentzer AJ, Tuekprakhon A, Nutalai R, Wang B, Dijokaite A, Khan S, Avinoam O, Bahar M, Skelly D, Adele S, Johnson SA, Amini A, Ritter T, Mason C, Dold C, Pan D, Assadi S, Bellass A, Omo-Dare N, Koeckerling D, Flaxman A, Jenkin D, Aley PK, Voysey M, Clemens SAC, Naveca FG, Nascimento V, Nascimento F, Fernandes da Costa C, Resende PC, Pauvolid-Correa A, Siqueira MM, Baillie V, Serafin N, Ditse Z, Da Silva K, Madhi S, Nunes MC, Malik T, Openshaw PJ, Baillie JK, Semple MG, Townsend AR, Huang KA, Tan TK, Carroll MW, Klenerman P, Barnes E, Dunachie SJ, Constantinides B, Webster H, Crook D, Pollard AJ, Lambe T, Paterson NG, Williams MA, Hall DR, Fry EE, Mongkolsapaya J, Ren J, Schreiber G, Stuart DI, and Screaton GR
- Abstract
On the 24
th November 2021 the sequence of a new SARS CoV-2 viral isolate spreading rapidly in Southern Africa was announced, containing far more mutations in Spike (S) than previously reported variants. Neutralization titres of Omicron by sera from vaccinees and convalescent subjects infected with early pandemic as well as Alpha, Beta, Gamma, Delta are substantially reduced or fail to neutralize. Titres against Omicron are boosted by third vaccine doses and are high in cases both vaccinated and infected by Delta. Mutations in Omicron knock out or substantially reduce neutralization by most of a large panel of potent monoclonal antibodies and antibodies under commercial development. Omicron S has structural changes from earlier viruses, combining mutations conferring tight binding to ACE2 to unleash evolution driven by immune escape, leading to a large number of mutations in the ACE2 binding site which rebalance receptor affinity to that of early pandemic viruses.- Published
- 2021
- Full Text
- View/download PDF
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