COVID-19 spreads this way. Thanks for this excellent visual, Marcel Salathe & Nicky Case!

A study published mid-April reported that people infected with SARS-CoV-2, the coronavirus causing COVID-19, might be most contagious during the period before they have symptoms. Two studies published in late May showed that a high percentage of people with COVID-19 could be without symptoms. In one study, Australian researchers reported…

Dr. Melvin Sanicas

Physician-Scientist FRSPH FRSA • GlobalHealth | Infectious Diseases | Digital Health • Writes about innovation, vaccines, pathogens, outbreaks, public health

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