J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests

By Apoorva Mandavilli from NYT Health https://ift.tt/3znkyaX
via IFTTT J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests Many who received the shot may need to consider boosters, the authors said. But federal health officials do not recommend second doses. Health New York Times July 19, 2021 at 07:00PM