Evidence from South Africa, where the Omicron variant already dominates, shows a high rate of reinfection of people who have already had the coronavirus. https://ift.tt/3dfEfbA https://ift.tt/32Vnel7 World New York Times December 1, 2021 at 07:00PMPrior Infection Is Little Defense Against Virus Variant, Scientists Say

By Lynsey Chutel and Richard Pérez-Peña from NYT World https://ift.tt/3dfEfbA
https://ift.tt/3dfEfbA https://ift.tt/32Vnel7 New York Times