Influence of Nasopharyngeal Viral Load on the Spread of the Omicron BA.2 Variant.

Marion Migueres,Chloé Dimeglio,Jean-Michel Mansuy,Florence Abravanel,Stéphanie Raymond,Justine Latour,Nicolas Jeanne,Noémie Ranger,Sébastien Lhomme,Karine Saune,Pauline Tremeaux,Jacques Izopet

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America（2023）

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摘要

We used variant typing polymerase chain reaction to describe the evolution of severe acute respiratory syndrome coronavirus 2 Omicron sublineages between December 2021 and mid-March 2022. The selective advantage of the BA.2 variant over BA.1 is not due to greater nasopharyngeal viral loads.

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Omicron,SARS-CoV-2,transmissibility,variant,viral load

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