Updated 2024-2025 COVID-19 vaccines significantly reduced the risk for hospitalization and severe outcomes despite the emergence of new viral lineages.

Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...

Booster vaccines reduced the risk of COVID‑19–related hospitalization and death, according to a new study of over 3 million ...