Contracting COVID-19 is nearly as effective at preventing reinfection as the two top coronavirus vaccines — but there are a few catches.
A study by Public Health England, which has yet to be peer reviewed, tested 21,000 health-care workers across the U.K. and found 6,614 of them had antibodies against COVID-19, indicating they'd contracted the virus in the past. But of those who'd been infected, 44 had possibly gotten the virus again despite their antibodies, indicating an 83 percent chance of protection against reinfection over five months, CNN reports.
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