Bird Flu Update 2025 Us Human Cases. First human case of H7N9 bird flu found in North America The Washington Post The D1.1 genotype differs from the B3.13 genotype, which has been identified in dairy cows , some poultry outbreaks, and human cases with mild symptoms such as conjunctivitis. As of February 24, CDC has confirmed three human cases of H5 bird flu in people who became ill in 2025: a dairy worker with exposure to infected dairy cows (), a poultry worker with exposure to infected commercial poultry (), and the owner of an infected backyard poultry flock ().These are all considered higher-risk exposures..
Map shows where bird flu is spreading in US as new warning issued from www.msn.com
H7N9 has caused outbreaks in China since 2013, leading to over 1,500 cases and a 40% fatality rate. As of February 24, CDC has confirmed three human cases of H5 bird flu in people who became ill in 2025: a dairy worker with exposure to infected dairy cows (), a poultry worker with exposure to infected commercial poultry (), and the owner of an infected backyard poultry flock ().These are all considered higher-risk exposures..
Map shows where bird flu is spreading in US as new warning issued
The first human case of bird flu has been reported in Nevada, prompting increased surveillance and discussions about state-level outbreak preparedness Between 2003 and 2023, the World Health Organization (WHO) reported 878 human cases of H5N1, with a 52% fatality rate across 23 countries Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife, pets, and humans
Explainer What are the bird flu risks to people and animals? Reuters. The D1.1 genotype differs from the B3.13 genotype, which has been identified in dairy cows , some poultry outbreaks, and human cases with mild symptoms such as conjunctivitis. The states where human cases of bird flu have thus far been identified are Washington, Oregon, California, Nevada, Colorado, Texas, Louisiana, Iowa, Missouri, Wisconsin, Michigan, Ohio and Wyoming.
Us Bird Flu 2025 Usa Joshua K. Boyd. As of January 6, 2025, there have been 66 confirmed human cases of H5N1 bird flu in the United States since 2024 and 67 since 2022. While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures.