Does avian influenza affect wild birds? Find out if you need to take down bird feeders. Plus learn the risk to backyard chickens.

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.

This finding represents a significant development in our understanding of avian influenza transmission, as it suggests that humans may serve as intermediary hosts capable of passing the virus to ...

More information: Thao-Quyen Nguyen et al, Emergence and interstate spread of highly pathogenic avian influenza A (H5N1) in dairy cattle in the United States, Science (2025).

Recent viral mutations have shown avian influenza’s adaptability to mammalian hosts, prompting infectious disease, animal health, and environmental health experts to remain vigilant.

Highly pathogenic avian influenza, commonly called bird flu, has increasingly spread to mammals and infected hundreds of people, raising concerns that it may lead to human-to-human transmission ...

If seabirds can catch avian flu by stealing food from infectious birds, it gives scientists a clue where to monitor for outbreaks among these vulnerable birds.

For the first time ever, Hawaii’s Department of Health believes they’ve detected H5 Avian influenza from a wastewater site on Oahu.

A single mutation in the surface protein of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus could allow for easier human transmission.

A new report has sounded the alarm on the evolution of the avian influenza virus, with comprehensive genome sequencing showing that the current strain is now capable of multidirectional infections ...

Here is what you need to know about the bird flu: What is the bird flu and how is it spread? Avian influenza viruses occur naturally among wild aquatic birds such as ducks, geese, gulls, swans and ...

The recent transmission pattern of H5N1 avian flu concerns epidemiologists and public health officials.