HONG KONG—A team of researchers have documented a case of Covid-19 reinfection, offering evidence that patients who have recovered from the viral disease could be infected a second time, months after the initial episode.
In a paper accepted on Monday by the Clinical Infectious Diseases journal, scientists from the University of Hong Kong reported the case of a 33-year-old man who had an asymptomatic Covid-19 episode 4½ months after a symptomatic infection.
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