The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

Bird flu was busy in South Dakota and in some surrounding states in December. According to the USDA’s avian flu tracker, as of Friday, more than 400,000 turkeys in South Dakota and more than 4 million ...

NORTHERN KENTUCKY — A person died from rabies in Northern Kentucky on Friday, according to our media partner WCPO-9 TV.

Whooping cough cases in the United States have surged to the highest levels in a decade, with no sign of a slowdown, according to the CDC. The federal health agency reports that cases this year are ...