1 day ago · The virus has infected over 138 million birds across all 50 states and Puerto Rico, and spread to millions more on five more continents. What started as a typical bird flu outbreak four years ago has evolved into a cross-species threat that's ruffling far more than feathers. As 2025 gets underway, the avian flu is ramping up. Jumping species.

Jan 7, 2025 · How deadly is the bird flu? The US has reported its first death from avian influenza, H5N1. ... the country has recorded its first human death due the virus known as avian influenza A or H5N1.

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 …

Jan 23, 2025 · Avian influenza is so contagious and deadly in poultry that the entire flock is culled as soon as the presence of the virus is confirmed. Since the bird flu outbreak began in February 2022, more ...

January 6, 2025 -- CDC is saddened by Louisiana's report that a person previously hospitalized with severe avian influenza A(H5N1) illness ("H5N1 bird flu") has passed away.While tragic, a death from H5N1 bird flu in the United States is not unexpected because of the known potential for infection with these viruses to cause severe illness and death.

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.

Jan 6, 2025 · H5N1 is a subtype of bird flu that's been circulating among wild birds and poultry in the U.S. since 2021, and in 2024, it was detected in dairy cows for the first time. Since then, the virus...

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...

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.

16 hours ago · Bird flu is a common name for the H5N1 virus strain of influenza that have been affecting wild birds and poultry for decades. The H5N1 strain was originally seen in wild birds and poultry farms but made the jump from birds to mammals in a Texas dairy cattle ranch in March 2024 and is now knocking on the door of humans.