We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune system's ability to fight back.

Approximately 43,000 service members were killed by the influenza virus that was first identified at an Army base in Haskell County, Kansas.

Flu pediatric deaths have doubled week-over-week, according to new Centers for Disease Control and Prevention data, despite influenza numbers continuing on a downward trend overall. Fifteen new influenza-associated pediatric deaths were reported to the CDC ...

The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.

The jab targets the H5N1 flu strain which has caused devastating infections in bird populations worldwide, but has yet to spread between humans.

Two influenza-related deaths were reported in Arkansas over the past week while the level of flu activity in the state remained "minimal" for the fourth consecutive week, the state Department of Health reported Wednesday.