H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

If effective controls designed to mitigate the quantity of viral shedding and known transmission pathways are removed, the exposure risk for other animals and ... making investments to understand bird ...

There have been 68 human cases of bird flu — flu strain H5N1 — in the U.S. since the beginning of 2024, mostly arising from contact with infected cattle and poultry. Infectious disease experts ...

Roughly four years later, another pandemic could be looming: H5N1 bird flu. Even though we’re just a handful of years out from the Covid-19 pandemic and the lessons learned (and issues it revealed), I ...

Bird flu outbreaks among dairy cows in multiple states, and at least one infection in farmworker in Texas, have incited fears that the virus may be the next infectious threat to people.

A recent avian-flu outbreak at a mink farm in Spain suggests a more troubling mode of transmission: mammals repeatedly conveying the virus to one another—a possible first for H5N1.

Bird flu has caused the deaths of over 100 million birds in the U.S. poultry industry and almost half a billion farmed birds worldwide, and scientists are concerned that the virus is changing and b… ...

STAT asked scientists who have long worked on influenza or in veterinary medicine what they viewed as the most pressing questions about the H5N1 bird flu outbreak.

No bird flu transmission between humans has been documented, and the CDC maintains that the immediate risk to public health is low. But scientists are increasingly worried, based on four key signals.

The H5N1 strain of avian influenza—commonly known as bird flu—has been circulating among wild migratory birds for the past two years, with substantial spillover into poultry farms. But what's sparking ...