Feb 4, 2025 · 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 20, 2024 · The reported signs and symptoms of bird flu in humans have varied. Eye redness has been the predominant symptom among recent U.S. cases of avian influenza A(H5) virus infection. Respiratory symptoms and fever were also reported.

Jan 24, 2025 · Since the bird flu outbreak began in 2022, all 50 states have reported infections. The virus has ravaged populations of wild birds, poultry and dairy cattle. The virus has ravaged populations of ...

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.

The highly pathogenic influenza A virus subtype H5N1 is an emerging avian influenza virus that is causing global concern as a potential pandemic threat. It is often referred to simply as "bird flu" or "avian influenza", even though it is only one of many subtypes.

Jun 8, 2024 · Bird flu, also called avian influenza, is caused by influenza type A virus infections in bird species. Depending on the strain, bird flu may cause the bird to have no symptoms, mild illness, serious illness or lead to the death of the bird. Bird flu rarely infects humans.

Dec 21, 2024 · Since April 2024, 61 human cases of bird flu have been reported in the U.S. The virus has only spread from animals to humans. Should it spread from person to person, the level of public health...

Dec 23, 2024 · Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans. Migrating waterfowl (wild ducks, geese, and storks)...

Avian influenza, commonly called “bird flu,” is a viral infection that spreads in birds, cows and other animals. It can sometimes spread to people. In humans, H5 subtypes of influenza A are the most common cause.

3 days ago · 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 ...