Can Masks Function as a Crude Vaccine?

A new theory suggests masks lead to less severe infections that still offer immunity

Credit: Emilija Manevska/Getty Images

There is mounting evidence to suggest that masks are effective at protecting people from Covid-19 both by limiting the chance someone comes into contact with the virus and by reducing the severity of the disease if they do get infected. A new opinion paper

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Dana G Smith

Dana G Smith

Health and science writer • PhD in 🧠 • Words in Scientific American, STAT, The Atlantic, The Guardian • Award-winning Covid-19 coverage for Elemental