13 results on '"Silbermann, B."'
Search Results
2. A note on factorization of vector valued functions involving the extraction of elementary factors
- Author
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Bart, H., primary, Ehrhardt, T., additional, and Silbermann, B., additional
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- 2023
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3. The Rouché Theorem for Fredholm functions: An enhanced version
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Bart, H., primary, Ehrhardt, T., additional, and Silbermann, B., additional
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- 2023
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4. Sequences of variable-coefficient Toeplitz matrices and their singular values
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Mascarenhas, H. and Silbermann, B.
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- 2016
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5. Levels and determinants of breast and cervical cancer screening uptake in HIV‐infected women compared with the general population in France
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Tron, L, Lert, F, Spire, B, DraySpira, R, Allègre, T, Mours, P., Riou, J.M., Sordage, M., Chennebault, J. M., Fialaire, P., Rabier, V., Froidure, M., Huguet, D., Leduc, D., Pichancourt, G., Wajsbrot, A., Bourdeaux, C., Foltzer, A., Hoen, B., HustacheMathieu, L., Abgrall, S., Barruet, R., Bouchaud, O., Chabrol, A., Mattioni, S, Mechai, F., Jeantils, V., Bernard, N., Bonnet, F., Hessamfar, M., Lacoste, D., Malvy, D., Mercié, P., Morlat, P., Paccalin, F., Pertusa, M. C., Pistone, T., Receveur, M. C., Vandenhende, M. A., Dupont, C., Freire Maresca, A., Leporrier, J., Rouveix, E., Dargere, S., de la Blanchardière, ., Martin, A., Noyon, V., Verdon, R., Rogeaux, O., Beytout, J., Gourdon, F., Laurichesse, H., Meier, F., Mortier, E., Simonpoli, A. M., Cordier, F., Delacroix, I., Garrait, V., Elharrar, B., Dominguez, S., Lascaux, A. S., Lelièvre, J. D., Levy, Y., Melica, G., Buisson, M., Piroth, L., Waldner, A., Gruat, N., Leprêtre, A., de Truchis, P., Le Du, D, Melchior, J. Cl., Sehouane, R., Troisvallets, D., Blanc, M., BocconGibod, I., Bosseray, A., Brion, J. P., Durand, F., Leclercq, P., Marion, F., Pavese, P., BrottierMancini, E., Faba, L., RoncatoSaberan, M., BollengierStragier, O., Esnault, J. L., LeautezNainville, S., Perré, P., Froguel, E., Nguessan, M., Simon, P., Colardelle, P., Doll, J., GodinCollet, C., RoussinBretagne, S., Delfraissy, J. F., Duracinsky, M., Goujard, C., Peretti, D., Quertainmont, Y., Marionneau, J., Aissi, E., Van Grunderbeeck, N, Denes, E., DucroixRoubertou, S., Genet, C., Weinbreck, P., AugustinNormand, C., Boibieux, A., Cotte, L., Ferry, T., Koffi, J., Miailhes, P., Perpoint, T., Peyramond, D., Schlienger, I., Brunel, J. M., Carbonnel, E., Chiarello, P., Livrozet, J. M., Makhloufi, D., Dhiver, C., Husson, H., Madrid, A., Ravaux, I., de Severac, M.L., Thierry Mieg, M., Tomei, C., Hakoun, S., Moreau, J., Mokhtari, S., Soavi, M. J., Faucher, O., Ménard, A., Orticoni, M., PoizotMartin, I., Soavi, M. J., Atoui, N., Baillat, V., Faucherre, V., Favier, C., Jacquet, J. M., Le Moing, V, Makinson, A., Mansouri, R., Merle, C., Elforzli, N., Allavena, C., Aubry, O., Besnier, M., Billaud, E., Bonnet, B., Bouchez, S., Boutoille, D., Brunet, C., Feuillebois, N., Lefebvre, M., MorineauLe Houssine, P, Mounoury, O., Point, P., Raffi, F., Reliquet, V., Talarmin, J. P., Ceppi, C., Cua, E., Dellamonica, P., De SalvadorGuillouet, Durant, J., Ferrando, S., MondainMiton, V., Perbost, I., Pillet, S., ProuvostKeller, B., Pradier, C., Pugliese, P., Roger, P. M., Rosenthal, E., Sanderson, F., Hocqueloux, L., Niang, M., Prazuck, T., Arsac, P., BarraultAnstett, M.F., Ahouanto, M., Bouvet, E., Castanedo, G., CharloisOu, C., Dia Kotuba, A., EidAntoun, Z., Jestin, C., Jidar, K., Joly, V., KhuongJosses, M. A., Landgraf, N., Landman, R., Lariven, S., Leprêtre, A., Lʼhériteau, F., Machado, M., Matheron, S., Michard, F., Morau, G., Pahlavan, G., Phung, B. C., Prévot, M. H., Rioux, C., Yéni, P., BaniSadr, F., Calboreanu, A., Chakvetadze, E., Salmon, D., Silbermann, B., Batisse, D., Beumont, M., Buisson, M., Castiel, P., Derouineau, J., Eliaszewicz, M., Gonzalez, G., Jayle, D., Karmochkine, M., Kousignian, P., Pavie, J., Pierre, I., Weiss, L., Badsi, E., Bendenoun, M., Cervoni, J., Diemer, M., Durel, A., Rami, A., Sellier, P., AitMohand, H., Amirat, N., Bonmarchand, M., Bourdillon, F., Breton, G., Caby, F., Grivois, J. P., Katlama, C., Kirstetter, M., Paris, L., Pichon, F., Roudière, L., Schneider, L., Samba, M. C., Seang, S., Simon, A., Stitou, H., Tubiana, R., Valantin, M. A., Bollens, D., Bottero, J., Bui, E., Campa, P., Fonquernie, L., Fournier, S., Girard, P. M., Goetschel, A., Guyon, H. F., Lacombe, K., Lallemand, F., Lefebvre, B., Maynard, J. L., Meyohas, M. C., Ouazene, Z., Pacanowski, J., Picard, O., Raguin, G., Roussard, P., Tourneur, M., Tredup, J., Valin, N., Balkan, S., Clavel, F., Colin de Verdière, N, De Castro, N., de Lastours, V., Ferret, S., Gallien, S., Garrait, V., Gérard, L., Goguel, J., Lafaurie, M., LascouxCombe, C., Molina, J. M., Oksenhendler, E., Pavie, J., Pintado, C., Ponscarme, D., Rozenbaum, W., Scemla, A., Bonnard, P., Lassel, L., Lebrette, M. G., Lyavanc, T., Mariot, P., Missonnier, R., Ohayon, M., Pialoux, G., Treilhou, M. P., Vincensini, J. P., Gilquin, J., Hadacek, B., NaitIghil, L., Nguyen, T. H., Pintado, C., Sobel, A., Viard, J. P., Zak Dit Zbar, O., Aumaître, H., Eden, A., Ferreyra, M., Lopez, F., Medus, M., Neuville, S., Saada, M., Blum, L., Perfezou, P., Arvieux, C., Chapplain, J. M., Revest, M., Souala, F., Tattevin, P., Bord, S., BorsaLebas, F., Caron, F., Chapuzet, C., Debab, Y., Gueit, I., Etienne, M., Fartoukh, C., Feltgen, K., Joly, C., RobadayVoisin, S., Suel, P., Khuong, M. A., Krausse, J., Poupard, M., Tran Van, G., Cazorla, C., Daoud, F., Fascia, P., Frésard, A., Guglielminotti, C., Lucht, F., BernardHenry, C., Cheneau, C., Lang, J. M., de Mautort, E., Partisani, M., Priester, M., Rey, D., Majerholc, C., Zucman, D., Assi, A., Lafeuillade, A., de Jaureguiberry, J. P., Gisserot, O., Aquilina, C., Prevoteau du Clary, F., Alvarez, M., Chauveau, M., Cuzin, L., Delobel, P., Garipuy, D., Labau, E., Marchou, B., Massip, P., Mularczyk, M., Obadia, M., Ajana, F., Allienne, C., Baclet, V., de la Tribonnière, X, Huleux, T., Melliez, H., Meybeck, A., Riff, B., Valette, M., Viget, N., Bastides, F., Bernard, L., Gras, G., Guadagnin, P., May, T., Rabaud, C., Dos Santos, A, P oinsignon, Y., Derradji, O., Escaut, L., Teicher, E., Vittecoq, D., Bantsima, J., CarauxPaz, P., and Patey, O.
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- 2017
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6. Rank decomposition under zero pattern constraints and L-free directed graphs
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Bart, H., primary, Ehrhardt, T., additional, and Silbermann, B., additional
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- 2021
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7. Assessement of Awareness of, Concerns and Attitudes Towards HIV-Related Court-Case Sentences in France in a Representative Sample of People Living with HIV (ANRS VESPA2 Survey)
- Author
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Marie Suzan-Monti, Bruno Spire, Antoine Vilotitch, Rosemary Dray-Spira, Patrick Yeni, Michel Celse, Baptiste Demoulin, Observatoire régional de la santé Provence-Alpes-Côte d'Azur [Marseille] (ORS PACA), Sciences Economiques et Sociales de la Santé & Traitement de l'Information Médicale (SESSTIM - U1252 INSERM - Aix Marseille Univ - UMR 259 IRD), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Conseil national du sida et des hépatites virales [Paris, France], Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Université Paris Diderot - Paris 7 (UPD7), Centre de recherche en épidémiologie et santé des populations (CESP), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris-Sud - Paris 11 (UP11)-Hôpital Paul Brousse-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), The VESPA2 survey was sponsored and funded by the French National Agency for Research on Aids and Viral Hepatitis (ANRS), Grant No. 2010-176., ANRS VESPA2 study group : Lert F, Spire B, Carrieri P, Dray-Spira R, Hamelin C, Lorente N, Préau M, Suzan-Monti M, Mora M, Le Strat Y, Cuzin L, Meyer L, Rojas-Castro D, Fischer H, Allègre T, Mours P, Riou JM, Sordage M, Chennebault JM, Fialaire P, Rabier V, Froidure M, Huguet D, Leduc D, Pichancourt G, Wajsbrot A, Bourdeaux C, Foltzer A, Hoen B, Hustache-Mathieu L, Abgrall S, Barruet R, Bouchaud O, Chabrol A, Mattioni S, Mechai F, Jeantils V, Bernard N, Bonnet F, Hessamfar M, Lacoste D, Malvy D, Mercié P, Morlat P, Paccalin F, Pertusa MC, Pistone T, Receveur MC, Vandenhende MA, Dupont C, Freire Maresca A, Leporrier J, Rouveix E, Dargere S, de la Blanchardière A, Martin A, Noyon V, Verdon R, Rogeaux O, Beytout J, Gourdon F, Laurichesse H, Meier F, Mortier E, Simonpoli AM, Cordier F, Delacroix I, Garrait V, Elharrar B, Dominguez S, Lascaux AS, Lelièvre JD, Levy Y, Melica G, Buisson M, Piroth L, Waldner A, Gruat N, Leprêtre A, de Truchis P, Le Du D, Melchior JC, Sehouane R, Troisvallets D, Blanc M, Boccon-Gibod I, Bosseray A, Brion JP, Durand F, Leclercq P, Marion F, Pavese P, Brottier-Mancini E, Faba L, Roncato-Saberan M, Bollengier-Stragier O, Esnault JL, Leautez-Nainville S, Perré P, Froguel E, Nguessan M, Simon P, Colardelle P, Doll J, Godin-Collet C, Roussin-Bretagne S, Delfraissy JF, Duracinsky M, Goujard C, Peretti D, Quertainmont Y, Marionneau J, Aissi E, Van Grunderbeeck N, Denes E, Ducroix-Roubertou S, Genet C, Weinbreck P, Augustin-Normand C, Boibieux A, Cotte L, Ferry T, Koffi J, Miailhes P, Perpoint T, Peyramond D, Schlienger I, Brunel JM, Carbonnel E, Chiarello P, Livrozet JM, Makhloufi D, Dhiver C, Husson H, Madrid A, Ravaux I, de Severac ML, Thierry Mieg M, Tomei C, Hakoun S, Moreau J, Mokhtari S, Soavi MJ, Faucher O, Ménard A, Orticoni M, Poizot-Martin I, Atoui N, Baillat V, Faucherre V, Favier C, Jacquet JM, Le Moing V, Makinson A, Mansouri R, Merle C, Elforzli N, Allavena C, Aubry O, Besnier M, Billaud E, Bonnet B, Bouchez S, Boutoille D, Brunet C, Feuillebois N, Lefebvre M, Morineau-Le Houssine P, Mounoury O, Point P, Raffi F, Reliquet V, Talarmin JP, Ceppi C, Cua E, Dellamonica P, De Salvador-Guillouet F, Durant J, Ferrando S, Mondain-Miton V, Perbost I, Pillet S, Prouvost-Keller B, Pradier C, Pugliese P, Rahelinirina V, Roger PM, Rosenthal E, Sanderson F, Hocqueloux L, Niang M, Prazuck T, Arsac P, Barrault-Anstett MF, Ahouanto M, Bouvet E, Castanedo G, Charlois-Ou C, Dia Kotuba A, Eid-Antoun Z, Jestin C, Jidar K, Joly V, Khuong-Josses MA, Landgraf N, Landman R, Lariven S, L'hériteau F, Machado M, Matheron S, Michard F, Morau G, Pahlavan G, Phung BC, Prévot MH, Rioux C, Yéni P, Bani-Sadr F, Calboreanu A, Chakvetadze E, Salmon D, Silbermann B, Batisse D, Beumont M, Castiel P, Derouineau J, Eliaszewicz M, Gonzalez G, Jayle D, Karmochkine M, Kousignian P, Pavie J, Pierre I, Weiss L, Badsi E, Bendenoun M, Cervoni J, Diemer M, Durel A, Rami A, Sellier P, Ait-Mohand H, Amirat N, Bonmarchand M, Bourdillon F, Breton G, Caby F, Grivois JP, Katlama C, Kirstetter M, Paris L, Pichon F, Roudière L, Schneider L, Samba MC, Seang S, Simon A, Stitou H, Tubiana R, Valantin MA, Bollens D, Bottero J, Bui E, Campa P, Fonquernie L, Fournier S, Girard PM, Goetschel A, Guyon HF, Lacombe K, Lallemand F, Lefebvre B, Maynard JL, Meyohas MC, Ouazene Z, Pacanowski J, Picard O, Raguin G, Roussard P, Tourneur M, Tredup J, Valin N, Balkan S, Clavel F, de Verdière NC, De Castro N, de Lastours V, Ferret S, Gallien S, Gérard L, Goguel J, Lafaurie M, Lascoux-Combe C, Molina JM, Oksenhendler E, Pintado C, Ponscarme D, Rozenbaum W, Scemla A, Bonnard P, Lassel L, Lebrette MG, Lyavanc T, Mariot P, Missonnier R, Ohayon M, Pialoux G, Treilhou MP, Vincensini JP, Gilquin J, Hadacek B, Nait-Ighil L, Nguyen TH, Sobel A, Viard JP, Zak Dit Zbar O, Aumaître H, Eden A, Ferreyra M, Lopez F, Medus M, Neuville S, Saada M, Blum L, Perfezou P, Arvieux C, Chapplain JM, Revest M, Souala F, Tattevin P, Bord S, Borsa-Lebas F, Caron F, Chapuzet C, Debab Y, Gueit I, Etienne M, Fartoukh C, Feltgen K, Joly C, Robaday-Voisin S, Suel P, Khuong MA, Krausse J, Poupard M, Tran Van G, Cazorla C, Daoud F, Fascia P, Frésard A, Guglielminotti C, Lucht F, Bernard-Henry C, Cheneau C, Lang JM, de Mautort E, Partisani M, Priester M, Rey D, Majerholc C, Zucman D, Assi A, Lafeuillade A, de Jaureguiberry JP, Gisserot O, Aquilina C, du Clary FP, Alvarez M, Chauveau M, Delobel P, Garipuy D, Labau E, Marchou B, Massip P, Mularczyk M, Obadia M, Ajana F, Allienne C, Baclet V, de la Tribonnière X, Huleux T, Melliez H, Meybeck A, Riff B, Valette M, Viget N, Bastides F, Bernard L, Gras G, Guadagnin P, May T, Rabaud C, Dos Santos A, Poinsignon Y, Derradji O, Escaut L, Teicher E, Vittecoq D, Bantsima J, Caraux-Paz P, Patey O., Lissalde, Claire, and Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Paris-Sud - Paris 11 (UP11)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Paul Brousse-Institut National de la Santé et de la Recherche Médicale (INSERM)
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Adult ,Male ,medicine.medical_specialty ,Adolescent ,Social Psychology ,Social stigma ,Cross-sectional study ,Social Stigma ,Stigma (botany) ,HIV Infections ,03 medical and health sciences ,Discrimination, Psychological ,0302 clinical medicine ,Criminalization ,5. Gender equality ,Criminal Law ,Surveys and Questionnaires ,medicine ,Humans ,030212 general & internal medicine ,10. No inequality ,Psychiatry ,Prejudice (legal term) ,Transients and Migrants ,Depressive Disorder, Major ,Stereotyping ,030505 public health ,Public health ,Public Health, Environmental and Occupational Health ,HIV ,Awareness ,Middle Aged ,16. Peace & justice ,Health psychology ,Cross-Sectional Studies ,Sexual Partners ,Infectious Diseases ,Attitude ,Socioeconomic Factors ,[SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie ,Criminal law ,Female ,Key population ,[SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie ,France ,0305 other medical science ,Psychology ,Prejudice - Abstract
International audience; Some of the 12 criminal trials and sentences in France for HIV transmission in 1998-2011 attracted substantial public attention , with a possible negative impact on people living with HIV (PLWH) through reinforced stigma and discrimination. This analysis aimed to characterize PLWH enrolled in the representative ANRS-VESPA2 survey, aware of and concerned about convictions for HIV transmission. Being a migrant from Sub-Saharan Africa, having difficult socioeconomic conditions, having unprotected sex with one's main partner and concealing one's HIV status were all factors statistically associated with concern about the sentences. Participants tempted to press charges against someone for infecting them were more likely to be younger, women, not living in a couple, unemployed, and to report a major depressive disorder. Concern about HIV-related criminal proceedings among the most vulnerable PLWH do not reflect the actual risk of prosecution they are exposed to. Resumen En Francia, algunos de los 12 juicios y sentencias relacionados con la contaminación del VIH en 1998-2011 suscitaron con-siderablemente el interés público. Esto pudo impactar negativamente las personas viviendo con VIH (PVVIH) aumentando su estigmatización y discriminación. Este análisis busca caracterizar las PVVIH, de la encuesta ANRS-VESPA2, informadas acerca de esos juicios e inquietos por la posibilidad de implicación en uno de ellos. Ser inmigrante subsahariano, las con-diciones socio-económicas desfavorables, las relaciones sexuales no protegidas con la pareja principal, y ocultar el VIH, están asociados a la posibilidad de ser implicados en un juicio. Por otro lado, aquellos que han intentado presentar cargos por contaminación del VIH fueron mayoritariamente jóvenes, mujeres, personas viviendo solas, desempleados, y personas en depresión. Los juicios por contaminación del VIH entre las PVVIH más vulnerables no reflejan el riesgo de acusación al que están expuestos.
- Published
- 2018
8. Daily positive and negative affect during the COVID-19 pandemic.
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Ivcevic Z, Shen S, Lin S, Cheng D, Probasco R, Silbermann B, Zhang F, Lin X, and Brackett M
- Abstract
The COVID-19 pandemic influenced emotional experiences globally. We examined daily positive and negative affect between May/June 2020 and February 2021 (N = 151,049; 3,509,982 observations) using a convenience sample from a national mobile application-based survey that asked for daily affect reports. Four questions were examined: (1) How did people in the United States feel from May/June 2020 to February 2021?; (2) What demographic variables are related to positive and negative affect?; (3) What is the relationship between experienced stressors and daily affect?; and (4) What is the relationship between daily affect and preventive behavior? Positive affect increased, and negative decreased over time. Demographic differences mirrored those from before the pandemic (e.g., younger participants reported more negative and less positive affect). Stressors such as feeling unwell, experiencing COVID-19 symptoms, exposure to COVID-19, and lack of sleep were associated with less positive and more negative affect. Exercising protective behaviors predicted future affect, and affect also predicted future protective behaviors (e.g., less protective behavior when happy but more when grateful and thoughtful). The implications for public health communication were discussed., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Ivcevic, Shen, Lin, Cheng, Probasco, Silbermann, Zhang, Lin and Brackett.)
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- 2024
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9. Unraveling attributes of COVID-19 vaccine acceptance and uptake in the U.S.: a large nationwide study.
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McCabe SD, Hammershaimb EA, Cheng D, Shi A, Shyr D, Shen S, Cole LD, Cataldi JR, Allen W, Probasco R, Silbermann B, Zhang F, Marsh R, Travassos MA, and Lin X
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- Humans, SARS-CoV-2, Biological Transport, Educational Status, COVID-19 Vaccines, COVID-19 epidemiology, COVID-19 prevention & control
- Abstract
SARS-CoV-2 vaccines are useful tools to combat the Coronavirus Disease 2019 (COVID-19) pandemic, but vaccine reluctance threatens these vaccines' effectiveness. To address COVID-19 vaccine reluctance and ensure equitable distribution, understanding the extent of and factors associated with vaccine acceptance and uptake is critical. We report the results of a large nationwide study in the US conducted December 2020-May 2021 of 36,711 users from COVID-19-focused smartphone-based app How We Feel on their willingness to receive a COVID-19 vaccine. We identified sociodemographic and behavioral factors that were associated with COVID-19 vaccine acceptance and uptake, and we found several vulnerable groups at increased risk of COVID-19 burden, morbidity, and mortality were more likely to be reluctant to accept a vaccine and had lower rates of vaccination. Our findings highlight specific populations in which targeted efforts to develop education and outreach programs are needed to overcome poor vaccine acceptance and improve equitable access, diversity, and inclusion in the national response to COVID-19., (© 2023. The Author(s).)
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- 2023
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10. Unraveling Attributes of COVID-19 Vaccine Hesitancy and Uptake in the U.S.: A Large Nationwide Study.
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McCabe SD, Hammershaimb EA, Cheng D, Shi A, Shyr D, Shen S, Cole LD, Cataldi JR, Allen W, Probasco R, Silbermann B, Zhang F, Marsh R, Travassos MA, and Lin X
- Abstract
SARS-CoV-2 vaccines are powerful tools to combat the COVID-19 pandemic, but vaccine hesitancy threatens these vaccines’ effectiveness. To address COVID-19 vaccine hesitancy and ensure equitable distribution, understanding the extent of and factors associated with vaccine acceptance and uptake is critical. We report the results of a large nationwide study conducted December 2020-May 2021 of 34,470 users from COVID-19-focused smartphone-based app How We Feel on their willingness to receive a COVID-19 vaccine. Nineteen percent of respondents expressed vaccine hesitancy, the majority being undecided. Of those who were undecided or unlikely to get a COVID-19 vaccine, 86% reported they ultimately did receive a COVID-19 vaccine. We identified sociodemographic and behavioral factors that were associated with COVID-19 vaccine hesitancy and uptake, and we found several vulnerable groups at increased risk of COVID-19 burden, morbidity, and mortality were more likely to be vaccine hesitant and had lower rates of vaccination. Our findings highlight specific populations in which targeted efforts to develop education and outreach programs are needed to overcome vaccine hesitancy and improve equitable access, diversity, and inclusion in the national response to COVID-19.
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- 2021
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11. Population-scale longitudinal mapping of COVID-19 symptoms, behaviour and testing.
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Allen WE, Altae-Tran H, Briggs J, Jin X, McGee G, Shi A, Raghavan R, Kamariza M, Nova N, Pereta A, Danford C, Kamel A, Gothe P, Milam E, Aurambault J, Primke T, Li W, Inkenbrandt J, Huynh T, Chen E, Lee C, Croatto M, Bentley H, Lu W, Murray R, Travassos M, Coull BA, Openshaw J, Greene CS, Shalem O, King G, Probasco R, Cheng DR, Silbermann B, Zhang F, and Lin X
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- Adult, Asymptomatic Diseases epidemiology, COVID-19, COVID-19 Testing, Coronavirus Infections diagnosis, Coronavirus Infections prevention & control, Coronavirus Infections psychology, Female, Humans, Longitudinal Studies, Male, Mobile Applications, Models, Statistical, Pandemics prevention & control, Pandemics statistics & numerical data, Pneumonia, Viral diagnosis, Pneumonia, Viral prevention & control, Pneumonia, Viral psychology, SARS-CoV-2, United States epidemiology, Betacoronavirus, Clinical Laboratory Techniques statistics & numerical data, Coronavirus Infections epidemiology, Pneumonia, Viral epidemiology
- Abstract
Despite the widespread implementation of public health measures, coronavirus disease 2019 (COVID-19) continues to spread in the United States. To facilitate an agile response to the pandemic, we developed How We Feel, a web and mobile application that collects longitudinal self-reported survey responses on health, behaviour and demographics. Here, we report results from over 500,000 users in the United States from 2 April 2020 to 12 May 2020. We show that self-reported surveys can be used to build predictive models to identify likely COVID-19-positive individuals. We find evidence among our users for asymptomatic or presymptomatic presentation; show a variety of exposure, occupational and demographic risk factors for COVID-19 beyond symptoms; reveal factors for which users have been SARS-CoV-2 PCR tested; and highlight the temporal dynamics of symptoms and self-isolation behaviour. These results highlight the utility of collecting a diverse set of symptomatic, demographic, exposure and behavioural self-reported data to fight the COVID-19 pandemic.
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- 2020
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12. Population-scale Longitudinal Mapping of COVID-19 Symptoms, Behavior, and Testing Identifies Contributors to Continued Disease Spread in the United States.
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Allen WE, Altae-Tran H, Briggs J, Jin X, McGee G, Raghavan R, Shi A, Kamariza M, Nova N, Pereta A, Danford C, Kamel A, Gothe P, Milam E, Aurambault J, Primke T, Li C, Inkenbrandt J, Huynh T, Chen E, Lee C, Croatto M, Bentley H, Lu W, Murray R, Travassos M, Openshaw J, Coull B, Greene C, Shalem O, King G, Probasco R, Cheng D, Silbermann B, Zhang F, and Lin X
- Abstract
Despite social distancing and shelter-in-place policies, COVID-19 continues to spread in the United States. A lack of timely information about factors influencing COVID-19 spread and testing has hampered agile responses to the pandemic. We developed How We Feel, an extensible web and mobile application that aggregates self-reported survey responses, to fill gaps in the collection of COVID-19-related data. How We Feel collects longitudinal and geographically localized information on users' health, behavior, and demographics. Here we report results from over 500,000 users in the United States from April 2, 2020 to May 12, 2020. We show that self- reported surveys can be used to build predictive models of COVID-19 test results, which may aid in identification of likely COVID-19 positive individuals. We find evidence among our users for asymptomatic or presymptomatic presentation, as well as for household and community exposure, occupation, and demographics being strong risk factors for COVID-19. We further reveal factors for which users have been SARS-CoV-2 PCR tested, as well as the temporal dynamics of self- reported symptoms and self-isolation behavior in positive and negative users. These results highlight the utility of collecting a diverse set of symptomatic, demographic, and behavioral self- reported data to fight the COVID-19 pandemic.
- Published
- 2020
- Full Text
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13. Long-term safety and vaccine-induced seropositivity in healthy volunteers from HIV vaccine trials.
- Author
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Durier C, Desaint C, Lelièvre JD, Silbermann B, Pialoux G, Cuzin L, Bonnet B, Poizot-Martin I, Bouakane A, Paul C, Grabar S, Spire B, Meyer L, and Launay O
- Subjects
- AIDS Vaccines adverse effects, Adult, Clinical Trials as Topic, Clinical Trials, Phase I as Topic, Clinical Trials, Phase II as Topic, Female, France, Healthy Volunteers, Humans, Male, Middle Aged, Prospective Studies, Retrospective Studies, Sexual Behavior, Social Behavior, Surveys and Questionnaires, Time, AIDS Vaccines immunology, HIV Antibodies blood, HIV Infections immunology, HIV Infections prevention & control
- Abstract
Background: The ANRS COV1-COHVAC cohort was a long-term safety cohort of healthy volunteers who received preventive HIV-vaccine candidates in 17 phase I/II clinical trials., Methods: Data collected from the first vaccine candidate administration and annually after inclusion in the cohort included grade 3/4 adverse events and all grade adverse events suggestive of neurological, ophthalmological and immune disorders, self-administered questionnaires on behaviors and HIV ELISA results. Age-and-sex-standardized mortality ratios (SMRs) were calculated with respect to the French population. The cohort was early terminated in 2016 due to the absence of safety signal., Results: Of 496 volunteers, 488 were included: 355 in the 7-year prospective follow-up and 133 in the retrospective data collection only. The total follow-up after the first vaccination was 4934 person-years (median: 10 years) and 270 (76%) volunteers completed their follow-up. No relevant adverse event possibly related to the vaccine was reported. Breast cancer incidence and woman mortality did not differ from those of the French general population (standardized incidence ratio = 1.47, P = 0.45 and SMR = 0.65, P = 0.28, respectively) while man mortality was significantly lower (SMR = 0.26, P = 0.0003). At the last visit, 21/29 (72%) volunteers who received the recombinant HIV gp160 protein still showed vaccine-induced seropositivity after a median follow-up of 23 years. Only a few volunteers reported risky sexual practices (men: 20/192, women: 2/162)., Conclusion: Volunteers showed a sustained high commitment. No long-term safety alert was identified during the postvaccine follow-up. Participating in vaccine trials did not increase risky behaviors for HIV infection. Vaccine-induced seropositivity may persist for more than 23 years after receiving rgp160.
- Published
- 2019
- Full Text
- View/download PDF
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