COVID-19 survivors may be protected with just 1 vaccine dose, early studies suggest

Health care worker preparing COVID-19 vaccine.
(Image credit: INA FASSBENDER/AFP via Getty Images)

As COVID-19 vaccine doses remain in short supply, new preliminary studies suggest only giving one dose to people who've recovered from the disease is enough to protect them from reinfection.

Past studies have shown COVID-19 survivors are left with antibodies that help protect them from reinfection for at least a few months, depending on how severe their infection was. Multiple not-yet-peer-reviewed studies still suggest they need another boost from a vaccine. But when they get the first dose of the two-dose regimens approved in the U.S., they see far higher levels of protection than people who get the first dose but weren't previously infected, suggesting that one shot is all they need for now.

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Kathryn Krawczyk

Kathryn is a graduate of Syracuse University, with degrees in magazine journalism and information technology, along with hours to earn another degree after working at SU's independent paper The Daily Orange. She's currently recovering from a horse addiction while living in New York City, and likes to share her extremely dry sense of humor on Twitter.