Public health experts say they would “love” more answers about why a close contact of a Missouri avian flu patient had antibodies against the virus — but they’re relieved that the CDC found no ...

Hundreds of emails from state and local health departments, obtained in records requests from KFF Health News, help reveal ...

Anyone who got sick with COVID-19 during the summer wave in South Florida has some protection against a future infection, but ...

Sanofi and partner AstraZeneca recently increased production capacity for their RSV antibody shot, sales of which jumped ...