Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from wild birds in late 2023 or early 2024. The USDA confirmed the virus's ...

The H5N1 bird flu virus first emerged in southern China in 1996 and caused large outbreaks in poultry in Hong Kong in 1997. The outbreak was controlled but not eradicated and resurfaced in 2003.

Bird flu, also known as H5N1, is a variant of the influenza virus that sickens tens of millions of people every winter. But because it has not previously infected humans, we have not built up ...

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of ...

Occasionally, a small change can help the virus become more fit and outcompete those around it, helping it become a more dominant variant. A shift is a bigger change. Flu viruses have eight ...

Experts say the risk of bird flu from pasteurized products is very low. As bird flu continues to spread across the United States, questions have emerged about the risk of contracting the virus ...

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.

LOUISVILLE, Ky. (WAVE) - Some health officials have renamed this flu season the “quademic” because of all the different illnesses floating around. Doctors with the Cleveland Clinic said when a person ...

Flu takes one to four days to incubate in your system after you come into contact with the virus. You have the potential to ...