The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the conclusions. The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the conclusions. Read More Vaccination and Immunization, Coronavirus (2019-nCoV), Elderly, Coronavirus Omicron Variant, Age, Chronological, Deaths (Fatalities), Viruses, Centers for Disease Control and Prevention, United States NYT > Health
New Covid Booster Shots Cut Risk of Hospitalization by Half, CDC Reports
