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A review of more than 9,000 US patients with severe COVID-19 infection showed less than 1 percent contracted the illness again, with an average reinfection time of 3.5 months after an initial positive test.
A review of more than 9,000 US patients with severe COVID-19 infection showed less than 1 percent contracted the illness again, with an average reinfection time of 3.5 months after an initial positive test.