Feb 25, 2024 · 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.

Jan 17, 2025 · H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases.

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 bird flu has ranged from mild to severe, including death.

Feb 25, 2025 · A recent CDC MMWR report shows three new asymptomatic human cases of bird flu, suggesting the virus may be silently spreading as recent research shows the bird flu virus may be just a few ...

Feb 26, 2025 · Mild forms of avian influenza (known as low pathogenic avian influenza, or LPAI) are routinely found in wild birds and don’t cause serious illness. From time to time, a mild strain changes through mutation or mixing with other flu viruses into a more severe type of the virus (highly pathogenic avian influenza, or HPAI).

CDC provides an update on its response activities related to the multistate outbreak of avian influenza A(H5N1) virus, or "A(H5N1) bird flu virus," in dairy cows and other animals in the United States.

Jan 14, 2025 · Bird flu, also known as avian influenza A (H5N1) or highly pathogenic avian influenza (HPAI), is caused by a virus that can cause serious illness and death in birds and mammals. Human infections with bird flu viruses are rare, but they can happen when the virus gets into a person's eyes, nose, mouth, or when inhaled.

Bird flu is a disease caused by certain flu viruses that usually spreads between birds, not people. Infected birds can spread the virus through their mucous, saliva or feces.

Dec 30, 2024 · Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. One subtype of bird flu, caused by avian influenza A(H5) virus, is spreading worldwide in wild birds and causing sporadic outbreaks in U.S. poultry and dairy cows.

Dec 28, 2024 · The CDC has confirmed 65 cases of H5N1 bird flu in humans in 2024. Of those, 39 were associated with dairy herds and 23 with poultry farms and culling operations.