Avian Influenza in Poultry and Wild Birds - Merck Veterinary …
Avian influenza (AI) is a viral infection that affects primarily domestic poultry and pet, zoo, and wild birds. In domestic poultry, AI viruses are typically of low pathogenicity (LPAI), causing subclinical infections, respiratory disease, or decreased egg production.
H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
3 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.
Avian Influenza - Animal and Plant Health Inspection Service
Aug 30, 2024 · Avian influenza, or "bird flu," is a contagious viral disease of domestic and wild birds. It's a major threat to the poultry industry, animal health, trade, and the economy worldwide. Caused by influenza type A viruses, the disease varies in severity depending on the strain and species affected.
USDA Reported H5N1 Bird Flu Detections in Poultry
3 days 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 is extremely contagious and deadly to domestic poultry. If we find it in the United States, we must quickly eradicate the disease to protect our Nation’s flocks and economy. HOW DOES BIRD FLU SPREAD? Avian influenza spreads quickly by …
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.
Avian influenza - American Veterinary Medical Association
Avian influenza is considered a notifiable disease by the World Organization for Animal Health (OIE). Immediately report suspected cases of HPAI in any bird, or of H5 or H7 LPAI in poultry, to the Animal and Plant Health Inspection Service (APHIS) of the U.S. Department of Agriculture (USDA) and the applicable state animal health official (s).
Avian Influenza - Merck Veterinary Manual
May 30, 2024 · Since January 2022, highly pathogenic avian influenza (HPAI) has been spreading across North America, affecting both wild birds and poultry flocks. As of May 2024, over 92 million HPAI cases have been reported in poultry and nearly 10,000 cases in wild birds in the US, with the virus confirmed in every state except Hawaii.
PS38/PS032: Avian Influenza in Poultry - EDIS
Avian influenza viruses of low to moderate pathogenicity are identified regularly in the United States in the domestic poultry populations. Avian influenza virus is reintroduced into domestic poultry by migratory waterfowl, which are carriers of the influenza virus.
An Update on Avian Influenza in Dairy Cows, Poultry, and Humans
Nov 26, 2024 · What is the state of bird flu in the U.S. at this moment? Meghan Davis: When we last spoke in May, we were investigating a growing outbreak of H5N1 among dairy cows and poultry. A lot has happened since then. At this point, we have over 600 cow herds that have been confirmed positive, and that number is growing almost every day—particularly in California, which is the current epicenter.