Prior Infection Is Little Defense Against Virus Variant, Scientists Say
By BY LYNSEY CHUTEL AND RICHARD PÉREZ-PEÑA World https://ift.tt/3dfEfbA Evidence from South Africa, where the Omicron variant already dominates, shows a high rate of reinfection of people who have already had the coronavirus. New York Times Coronavirus (2019-nCoV), Coronavirus Omicron Variant, Vaccination and Immunization December 3, 2021 at 12:22AM