4 days ago · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and poultry workers. While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures.

Dec 22, 2024 · 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...

Jan 8, 2025 · The bird flu that’s been making news in the United States is a virus called H5N1. Some flu viruses carried by birds cause only mild infections and are classified as low-pathogenic viruses.

Dec 20, 2024 · Most human cases of bird flu, caused by avian influenza A (H5) virus, in the United States have been mild, so far, and most were in people who had known exposure to sick or infected animals. The severity of illness associated with …

Dec 30, 2024 · Illinois officials have issued a warning about the highly pathogenic avian influenza (H5N1) following a significant increase in bird deaths, particularly among waterfowl. While the flu poses minimal immediate risk to humans, experts warn that the virus’ rapid spread among birds and mammals could increase the likelihood of mutations ...

4 days ago · Bird flu, or avian influenza, is spreading among livestock and other mammals in the United States, raising concerns that another pandemic may be looming. Last month, California declared a state of ...

Nov 22, 2024 · Health officials are alarmed by more than 50 confirmed human cases of a bird flu variant across seven states this year, with a new case confirmed this week in a California child without known...

Jan 17, 2025 · H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. Infections with highly pathogenic avian influenza A (H5N1) viruses in mammals have been reported. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024.

1 day ago · How does bird flu spread? Bird flu spreads rapidly among infected poultry and can spread between mammals. While humans can catch bird flu from infected animals, it doesn’t spread well between humans. This could change over time as the virus mutates and evolves. The higher the number of infections overall, the faster the virus changes and adapts.

2 days ago · What is highly pathogenic avian influenza (HPAI)? In North America, a new strain of avian influenza virus was first detected in wild birds in late 2021. Soon after, the disease spread to commercial poultry flocks. Wild birds, commercial poultry, and backyard domestic birds are all at risk of becoming infected. Most of the 50+ million birds that ...