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.

Between January and October 2023, at least 24,000 South American sea lions died from H5N1 flu, with the outbreak starting on the Pacific coast of Peru, moving down the coast to Chile and then up the Atlantic coast of Argentina.

Dec 21, 2024 · The CDC determined the person was likely exposed to H5N1 from sick or dead birds in a backyard flock – the first time a U.S. case has been linked to a backyard flock.

Dec 31, 2024 · Highly pathogenic H5N1 avian influenza A virus (HPAI H5N1) remains a low risk to the general public, and public health experts in the United States believe that available treatments and vaccines, as well as those in development, are …

Sep 20, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A (H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the United States.

Oct 18, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A (H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the United States.

May 16, 2024 · The goose/Guangdong-lineage of H5N1 avian influenza viruses first emerged in 1996 and has been causing outbreaks in birds since then. Since 2020, a variant of these viruses has led to an unprecedented number of deaths in wild birds and poultry in many countries.

H5N1 Avian Influenza: The Human Health Response Since early 2022, a U.S. H5N1 avian influenza (“bird flu”) outbreak in poultry and wild birds has led to outbreaks in dairy herds. Increasing cases of transmission from animals to humans occurred in 2024. H5N1 influenza is a subtype of influenza A virus that causes highly pathogenic avian

Jan 31, 2025 · Bird flu has wiped out entire flocks of egg-laying hens – and bears, coyotes, cows and raccoons. On Jan. 17, Georgia confirmed its first H5N1 outbreak at a commercial farm. The spread occurred at a broiler farm housing 45,500 birds in …

Feb 3, 2025 · In Spring 2022, a very large H5N1 avian influenza outbreak emerged in wild birds worldwide, including in North America. This outbreak continues and has affected many wild birds and poultry farms in Wisconsin and across the U.S. On March 25, 2024, H5N1 avian influenza was detected in a dairy cow in Texas. Since that first detection, H5N1 avian ...