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Asymptomatic COVID-19 Infection

Several studies have shown that COVID-19 can be transmitted by individuals who do not show any symptoms, or who are "asymptomatic". Because asymptomatic individuals are not routinely tested, the prevalence of asymptomatic infection is not well-defined.

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Updated 2020-11-07

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SARS-CoV-2 (COVID-19)

Biomedical Sciences