1. The 501Y.V2 SARS-CoV-2 variant has an intermediate viral load between the 501Y.V1 and the historical variants in nasopharyngeal samples from newly diagnosed COVID-19 patients
- Author
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Elisa Teyssou, Benoit Visseaux, Laurence Morand-Joubert, Vincent Calvez, Cathia Soulié, Aurélie Schnuriger, Charlotte Charpentier, Sidonie Lambert-Niclot, Stéphane Marot, Valentin Leducq, Marc Wirdern, Nadira Houhou-Fidouh, Basma Abdi, Sonia Burrel, Diane Descamps, Sophie Sayon, Anne-Geneviève Marcelin, Aude Jary, Karen Zafilaza, Valentine Marie Ferré, Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Service de Virologie [CHU Pitié-Salpêtrière], CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Infection, Anti-microbiens, Modélisation, Evolution (IAME (UMR_S_1137 / U1137)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Service de Virologie [CHU Bichat], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Laboratoire de Virologie [CHU Saint-Antoine], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Saint-Antoine [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU), Sorbonne Université - Faculté de Médecine (SU FM), Sorbonne Université (SU), Laboratoire de virologie [APHP Claude Bernard Bichat], AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre de Recherche Saint-Antoine (CRSA), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Centre National de Référence Herpèsvirus [CHU Pitié Salpêtrière], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-CHU Pitié-Salpêtrière [AP-HP], and TEYSSOU, Elisa
- Subjects
Microbiology (medical) ,Cycle threshold ,2019-20 coronavirus outbreak ,variants ,Coronavirus disease 2019 (COVID-19) ,business.industry ,SARS-CoV-2 ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,[SDV]Life Sciences [q-bio] ,COVID-19 ,Newly diagnosed ,Biology ,Viral Load ,Virology ,Antibodies, Neutralizing ,[SDV] Life Sciences [q-bio] ,Infectious Diseases ,Medicine ,Humans ,business ,Viral load ,Letter to the Editor ,501Y.V1 ,ComputingMilieux_MISCELLANEOUS ,501Y.V2 - Abstract
The 501Y.V2 and the 501Y.V1 SARS-CoV-2 variants emerged and spread rapidly into the world. We analysed the viral load of 643 nasopharyngeal samples of COVID-19 patients at diagnosis and found that the 501Y.V1 and the 501Y.V2 variants presented a viral load three to ten times and two times higher than the historical variants, respectively.HighlightsViral load in COVID-19 patient nasopharyngeal samples was different between variants.The 501Y.V2 variant had a viral load 2 times higher than the historical variantsThe 501Y.V2 variant had a viral load slightly lower than the 501Y.V1The 501Y.V1 variant had a viral load 3-10 times higher than the historical variants
- Published
- 2021
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