Coronavirus reinfections are real -- here's what that means for controlling the pandemic

The first confirmed case of an American who got COVID-19 twice adds to scant but mounting evidence that people can be reinfected with the coronavirus — and get sicker than during the initial bout.The 25-year-old Nevada man, who had no known immune problems, got a mild case of COVID-19 in April. About a month later, he was diagnosed again and needed hospitalization and oxygen, according to the report published Monday in Lancet Infectious Diseases.The authors say at least three other confirmed cases have been published worldwide, including the first in Hong Kong barely two months ago. But the CO...


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