Jan 17, 2025 · H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. Infections with highly pathogenic avian influenza A (H5N1) viruses in mammals have been reported. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024.

6 days ago · CDC influenza (flu) surveillance systems show no indicators of unusual influenza activity in people, including avian influenza A (H5). Total people monitored and total people tested will be updated weekly on Fridays. Human cases are typically updated by 5 PM EST on Mondays, Wednesdays and Fridays.

Dec 26, 2024 · This guidance outlines CDC’s recommendations for preventing human exposures to highly pathogenic avian influenza (HPAI) A(H5N1) viruses and infection prevention and control measures, including the use of personal protective equipment, testing, antiviral treatment, patient investigations, monitoring of exposed persons, and antiviral ...

May 30, 2024 · Visit CDC’s avian influenza (bird flu) information for health professional and laboratorians webpage for the latest guidance. Learn more. Seasonal flu vaccination will not prevent infection with bird flu viruses, but can reduce the risk of getting sick with human influenza viruses and thus the risk for seasonal and bird flu co-infection.

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.

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.

Visit CDC’s avian in4uenza (bird 4u) information for health professional and laboratorians webpage for the latest guidance. Learn more. Seasonal 4u vaccination will not prevent infection with bird 4u viruses, but can reduce the risk of getting sick with human and bird 4u viruses at the same time. Learn more.

Jan 16, 2025 · Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the brink of human-to-human transmission, but predicting whether a virus will cross that threshold remains an uncertain science.

5 days ago · Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...

Dec 20, 2024 · While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures. Information about the latest developments around avian influenza A (H5N1) is available at …