NEW YORK (AP) — 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. A new strain that ...

While current flu shots need to be updated each season, scientists are finding new ways to make vaccine that could last much longer and cover more strains.

A federal judge says U.S. Health Secretary Robert F. Kennedy Jr. likely violated federal procedures in revamping a key ...

India, March 15 -- For years, vaccine researchers have debated an important question: should vaccines mainly focus on ...

White House officials are trying to get him — and his Make America Healthy Again allies — to stop. Some Trump administration officials are eager to distance themselves from a topic they see as ...

Health Secretary Robert F. Kennedy Jr. has spent years campaigning against vaccines, but with the flu shot, he’s suggested it’s personal. Kennedy has linked his strained, raspy speech to the vaccine, ...

Although the Centers for Disease Control and Prevention (CDC) classifies the current flu season as “moderate,” at least 90 children have already died of influenza. Among the children who died and were ...

As Illinois experiences its most severe flu season in over a decade, public health officials report rising hospitalizations and lower vaccination rates across the state. Influenza spreads year after ...

European regulators advanced several new medicines, including a combined flu and COVID vaccine and new treatments for rare diseases.

The new and highly infectious 'Super-K' flu is spreading rapidly across the US and Australia.

Casey Means said she won’t broadly encourage parents to vaccinate their children against measles, the flu or whooping cough, as previously done by her predecessors.