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Previous Infection With COVID Protects You Against Reinfection

Summary by Cindy Olmstead
  • April 24, 2021

A large, multicenter study has found that people who had COVID-19 have an 84% lower risk of becoming reinfected and a 93% lower risk of symptomatic infection during seven months of follow-up. Researchers studied 25,661 workers at public hospitals throughout England who were tested for COVID-19 every two to four weeks, and for antibodies at enrollment and every four weeks. Volunteers were also asked to complete questionnaires on symptoms and exposures every two weeks. "This study shows that...