Covid Vaccine Booster Shots Are Coming. Are they Needed?news2021-07-18T15:00:08+00:00July 18th, 2021|The New York Times|
U.S. Officials Press Pfizer for More Evidence of Need for Booster Shotnews2021-07-13T03:14:09+00:00July 13th, 2021|The New York Times|
Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccinenews2021-07-09T01:51:11+00:00July 9th, 2021|The New York Times|