Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

Respiratory syncytial virus is the leading cause of hospitalization among U.S. infants. A vaccine, nirsevimab, can reduce the ...

A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

Discover CDC findings on COVID-19 variants and vaccine protection, revealing key insights into emerging strains and public ...

The Advisory Committee on Immunization Practices (ACIP) recommendations have been updated for the meningococcal serogroup B MenB-4C vaccine (Bexsero).

This year, health care professionals recommend adding getting a flu vaccine to your New Year’s resolutions as flu activity ...

For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

Respiratory illness activity is currently considered "high" in the United States, according to the CDC. In one state, it is ...

There’s currently no approved vaccine for norovirus, although Moderna has begun a phase three trial in the U.S. for a vaccine ...

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...

Scientists also found that the improved formula might even help as new viruses form in the future, according to the blog. The ...

It’s been increasing at a pretty steady pace now for the past several weeks. So yeah, we are certainly in flu season now.” ...