Kevin Ma, PhD, discusses new data showing 2024–2025 COVID-19 vaccines reduced hospitalization and severe outcomes. In this Q&A, lead study author Kevin Ma, PhD, an epidemic intelligence service ...

A study on COVID-19 vaccine effectiveness has been published after being blocked from a government health journal.

As of November 2025, some healthcare organizations conclude that COVID-19 vaccines have no impact on fertility. But some researchers agree that more studies are needed to understand potential ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. MIAMI, FLORIDA - MAY 29: In this photo illustration, Pfizer-BioNTech COVID-19 (L) and ...

COVID-19 variant BA.3.2 or "cicada" is not widely circulating in the U.S. yet, but based on trends in Europe, it may become more prominent. Most evidence comes from laboratory data, but there are no ...