Influence of Nasopharyngeal Viral Load on the Spread of the Omicron BA.2 Variant.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America(2023)
Abstract
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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Key words
Omicron,SARS-CoV-2,transmissibility,variant,viral load
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