New Understanding of Coronavirus Infection Increases Urgency for Masks

Coronavirus News

We know that masks are a core tool in fighting the spread of COVID-19. What was not known is the exact reason why. The reason is the route of infection. SARS-CoV-2 (the virus which causes COVID-19) first attacks the cells in the nasal passages, and from there works its way down into the lungs. Using a mask to prevent the initial deposit of viral material in the nasal passages is an essential first-line defense in preventing the spread:

Researchers map how coronavirus infection travels through cells of nasal cavity and respiratory tract | UNC-Chapel Hill

A major study of novel coronavirus infection in human airways adds to evidence that wearing a mask is an important step toward limiting transmission of COVID-19.

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