CDC data shows flu activity is rising, fueled by a mutated strain causing more severe illness in older adults.

“Reckless” and “dangerous” were just two of the broadsides American medical groups lobbed at Robert F. Kennedy Jr.’s vaccine advisers after they recommended ending universal vaccination at birth for ...

A case of highly pathogenic avian influenza has been detected in a dairy herd in Dodge County, Wisconsin, the Wisconsin ...

Texas’ first confirmed highly pathogenic avian influenza of the year was found in a Shelby County commercial poultry flock ...