Contagiousness may linger beyond five days; COVID-19 worse for vapers

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By Nancy Lapid (Reuters) – The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review. Many people could still be infectious after 5-day quarantine After a five-day quarantine, about a third of people infected with SARS-CoV-2, the coronavirus that causes COVID-19, might still be infectious, according to new data. PCR tests detect virus particles but cannot tell whether they are infectious or merely inactive remnants. For a study using samples obtained from March thr…

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