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Pinpointing the Infectiousness of SARS-CoV-2 and Its Alpha (B.1.1.7) Variant

Asymptomatic infected individuals (and those infected with Alpha) had relatively high viral loads; samples from Alpha cases also had higher probability of viral culture positivity. Determining the infectiousness of individuals with COVID-19 requires considering degree of symptoms, time point within disease course, and whether the infection involves wild-type SARS-CoV-2 or […]

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