Immunity to the Coronavirus May Last Years, New Data Hint

How long might immunity to the coronavirus last? Years, maybe even decades, according to a new study – the most hopeful answer yet to a question that has shadowed plans for widespread vaccination. These studies "are all by and large painting the same picture, which is that once you get past those first few critical weeks, the rest of the response looks pretty conventional," said Deepta Bhattacharya, an immunologist at the University of Arizona College of Medicine – Tucson who was not involved in the studies.