Effectiveness of COVID-19 boosters wanes over time but remains strong, U.S. study suggests
2022-02-12
An early look at the performance of COVID-19 booster shots during the recent Omicron wave in the U.S. showed a decline in effectiveness against severe cases, though the shots still offered strong protection. Experts caution more research is needed.A person is administered a COVID-19 vaccine booster shot in Jackson, Miss., on Tuesday. A new report…Continue Reading