The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

The data from the CDC can detect possible changes in the levels of illnesses in your state. Unable to view our graphics?

With cases of the flu on the rise, we asked experts what you need to know about an antiviral medication that can ease symptoms.

Americans are in the throes of flu season in large swaths of the country. In California, influenza activity continues to be high, the California Department of Public Health reports. RSV activity ...

“Although individual vaccines have been developed and approved for use in humans against SARS-CoV-2 and influenza viruses, ...

A new strain of bird flu — H5N9 — has been detected in California’s Merced County at a commercial duck operation. According to the World Organization for Animal Health — an international ...

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...

Thousands of new bird flu cases have emerged in recent months among New York flocks, including in parks and even backyard coops. The spread set off a fresh round of public health alerts among ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the United ...

Concerns about bird flu are growing among health officials weeks after the first person in the U.S. died from the virus, and as cases of bird flu grow among animals and humans. Minnesota has no ...