Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
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 ...
Avian Influenza Type A | Bird Flu | CDC - Centers for Disease …
Dec 20, 2024 · Highly Pathogenic Avian Influenza (HPAI): Highly pathogenic avian influenza viruses cause severe disease and high mortality in infected poultry. Only some avian influenza A (H5) and A (H7) viruses are classified as HPAI A viruses, while most A (H5) and A (H7) viruses circulating among birds are LPAI A viruses.
2022–2024 Detections of Highly Pathogenic Avian Influenza
Feb 9, 2022 · With the recent detections of the Eurasian H5 strain of highly pathogenic avian influenza (HPAI) in wild birds and domestic poultry in the United States, bird owners should review their biosecurity practices and stay vigilant to protect poultry and pet birds from this disease.
Highly Pathogenic Avian Influenza: A Persistent Threat To US
7 hours ago · But the recent detection of highly pathogenic avian influenza (HPAI) in two commercial poultry operations has cast a shadow over this landscape. This latest outbreak is part of a broader epizootic ...
Highly Pathogenic Avian Influenza Emergency Response
Jan 16, 2025 · The materials on this page are specific to highly pathogenic avian influenza (HPAI). You can use these tools and resources to prepare for and respond to an outbreak of this disease.
HPAI in Livestock - Animal and Plant Health Inspection Service
Dec 20, 2024 · Enhanced testing helps combat H5N1 avian influenza. Biosecurity is the best defense against avian influenza. USDA financial aid is available to offset costs and losses from HPAI H5N1.
USDA Reported H5N1 Bird Flu Detections in Poultry
1 day ago · Highly pathogenic avian influenza (HPAI) A(H5) viruses have been detected in U.S. wild aquatic birds, commercial poultry and backyard or hobbyist flocks beginning in January 2022. The latest H5N1 bird flu detections in backyard and commercial poultry by state and county are provided on this webpage.
Highly Pathogenic Avian Influenza (HPAI) - APIC
Nov 12, 2024 · Highly Pathogenic Avian Influenza (HPAI) is a disease caused by infection with avian influenza A virus. HPAI can sicken and kill wild and domesticated birds. Although bird flu viruses do not normally infect people, rare cases of illness in …
Avian Influenza | U.S. Fish & Wildlife Service - U.S. Fish and …
Highly pathogenic avian influenza (HPAI) viruses can severely affect domestic animal, wildlife, and sometimes human health. Outbreaks of Eurasian lineage highly pathogenic avian influenza viruses have been impacting domestic poultry and wild …
1st Case of HPAI Confirmed in Pennsylvania Poultry, Ag Dept.
3 days ago · Harrisburg, PA – The Pennsylvania Department of Agriculture today confirmed the first positive case of Highly Pathogenic Avian Influenza (HPAI) in domestic poultry in Pennsylvania in 2025, in a 50,000-bird layer chicken flock on a commercial poultry farm In Lehigh County. Preliminary samples indicated the presence of the H5, 2.3.4.4 HPAI ...