Updated CDC guidance suggests people who have recovered from coronavirus can't spread it to others for at least 3 months.
However, the update goes one step further, suggesting that people who have recovered are protected from getting sick again for at least three months.
The guidance is based on studies that found that, after three months, there was no evidence of people getting re-infected after recovering, a CDC official said. Longer-term studies are needed to determine how long protection might last, and it's still too soon to say to whether a person who has had COVID-19 and recovered is immune.
The update, which was posted on the CDC's website on Aug. 3, is consistent with CDC's earlier guidance not to retest patients within 90 days of an initial infection, Dr. Annie Luetkemeyer, a professor of medicine at the University of California, San Francisco, said. Although some doctors and patients have raised concerns about the possibility of beingDr.
"Of course, unlikely doesn't mean it is impossible to get reinfected," Barocas said, adding that people should be cautious and quarantine"unless it's a crystal clear case." He noted that the CDC's guidance shouldn't be over-interpreted"an an indication that we have or could soon achieve herd immunity."Follow
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