Bird Flu
Mississippi Poultry Flock Tests Positive for H7N9 in First Outbreak Since 2017
The USDA’s Animal & Plant Health Inspection Service previously documented H7 low pathogenicity avian influenza (LPAI) in U.S. wild bird surveillance this year and in previous years, but this is the first HPAI H7 case in commercial poultry in the U.S. since 2017.
More in Bird Flu
USDA Invests Up To $1 Billion to Combat Avian Flu, Reduce Egg Prices
The USDA’s five-pronged strategy to address bird flu and lower egg prices includes $500 million for biosecurity measures, $400 million in financial relief for affected farmers and $100 million for vaccine research, action to reduce regulatory burdens and exploring temporary import options.
Washington Cats Confirmed with HPAI as Investigation into Contaminated Pet Food Continues
At least two domestic indoor cats in Washington state have become infected with bird flu, according to the Washington State Department of Agriculture.
USDA Confirms Bird Flu Detected in Rats in Riverside
The four black rats were tested for highly pathogenic avian influenza (HPAI) in late January in Riverside, Calif., the U.S. Department of Agriculture's Animal and Plant Health Inspection Service reported.
Bird Flu Vaccine Receives Conditional License from USDA
The vaccine, created by Zoetis, is intended for use in chickens.
Raw Pet Food Identified as Source of Bird Flu Infection to House Cats
The Washington State Department of Agriculture and the Oregon Department of Agriculture are warning pet owners about the risks of raw pet food after indoor cats in Oregon became ill from bird flu this month.
New CDC Report Says Bird Flu Spread Undetected in Veterinarians
A September 2024 serosurvey of 150 bovine veterinary practitioners in the U.S. and Canada revealed that three had unknowingly contracted highly pathogenic avian influenza without developing any symptoms, according to the CDC.
Ohio Reports First Human Case of Bird Flu
An adult male Mercer County farm worker who was in contact with deceased commercial poultry was infected with the virus.
USDA Confirms New Strain of Bird Flu in Nevada Dairy Cattle
This is the first detection of this virus genotype in dairy cattle.
WSDA Confirms First Bird Flu Case in 2025
A large commercial flock in Franklin County reported the suspected virus to Washington State Department of Agriculture (WSDA) officials over the past week.
Cat and Dog Food Manufacturers Required to Consider H5N1 in Food Safety Plans
The FDA said manufacturers of cat and dog foods who are covered by the FDA Food Safety Modernization Act Preventive Controls for Animal Food rule and using uncooked or unpasteurized materials derived from poultry or cattle must reanalyze their food safety plans to include highly pathogenic avian influenza virus as a known or reasonably foreseeable hazard.
