Immunity to the coronavirus lasts at least a year, probably longer, and improves over time especially after vaccination, according to two new studies. https://t.co/dcf0c9H2tn— The New York Times (@nytimes) May 30, 2021
Immunity to the coronavirus lasts at least a year, probably longer, and improves over time especially after vaccination, according to two new studies. https://t.co/dcf0c9H2tn