As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst effectiveness rates in more than a decade.

New COVID-19 cases continue to crop up nationwide as new variant XFG makes gains both domestically and abroad. Some regions of the United States are experiencing higher rates of positive COVID-19 ...

COVID-19 vaccine recommendations could be changing, according to the U.S. Food and Drug Administration. FDA leaders said on May 20 that clinical trials will be required to approve annual COVID-19 ...

CDC data suggest adult vaccination rates are up slightly this season, to 46.5%. An estimated 48% of U.S. kids were vaccinated ...

A small — but growing — number of Iowans are choosing not to vaccinate their kids against infectious diseases. One Des Moines-based nurse practitioner recently noted that “there’s more hesitancy this ...

Why flu vaccines didn’t work that well in the US this season - Flu infections surged in late December and were especially ...

Cases of human metapneumovirus (HMPV) have been steadily rising since winter began, but new data suggests the virus is surging in Northern California.

Gov. Ron DeSantis and his surgeon general have railed against vaccine mandates. Now measles cases are soaring in Florida and GOP legislators are pushing back.

Health officials say there's a new suspected case of measles in Washtenaw County with exposures at a mall and fitness center. What you need to know.

This season's influenza vaccine effectiveness rates against outpatient visits and hospitalizations may be lower than last season's, according to an interim CDC analysis. During the current flu season, ...

The CDC issued a level 2 travel advisory for over 30 countries where poliovirus has been detected. What to know before you go.