Health Secretary Robert F. Kennedy Jr. says the flu shot isn't effective in protecting children. Here's what experts say.

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

H3N2 subclade K strain — is responsible for 90% of influenza A cases across the U.S., which has led to double the cases in ...

Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

A late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...

DENVER, Colorado — A new Denver Health study published Tuesday in JAMA Network Open found that text messages and digital ...

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...

Health care professionals and public health experts highly advise people to obtain yearly flu vaccines, and the flu season has arrived. Many people remain hesitant despite continuous awareness ...

Before routine vaccines were developed in the 1900s, many children did not survive to adulthood and many adults did not reach old age. People succumbed in large numbers to diseases such as whooping ...

Dec 18 (Reuters) - Moderna (MRNA.O), opens new tab will get up to $54.3 million in funding from a global coalition to support late-stage development of its experimental bird flu vaccine, the U.S.

A San Diego startup may have created what the scientific community has talked about for decades – a kind of universal flu ...