Study: Natural immunity to COVID gives 97% protection against severe reinfection for many months
Protection against total infection wanes significantly, but “critical” or “fatal” COVID kept at bay. Researchers say in a newly released study that prior infection with COVID-19 offers long-lasting and comprehensive immunity against severe and fatal cases of the virus. The study, published online at medRxiv and not yet subject to peer review, was conducted by a team … Read more