Current Situation: Bird Flu in Dairy Cows | Bird Flu | CDC
4 days ago · While rare, mammals can be infected with highly pathogenic avian influenza (HPAI) A(H5N1) ("H5N1 bird flu") viruses. Reports of these sporadic infections in mammals have …
H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
3 days ago · CDC is using its flu surveillance systems to monitor for H5 bird flu activity in people. • Dairy cattle: Ongoing multi-state outbreak. • Wild Birds: Widespread. • Poultry Flocks: …
Avian influenza virus type A (H5N1) in U.S. dairy cattle
5 days ago · While avian influenza virus type A (H5N1) is associated with high morbidity and mortality in birds ("highly pathogenic"), this hasn't been the case for dairy cattle. Most affected …
HPAI in Livestock - Animal and Plant Health Inspection Service
Dec 20, 2024 · Enhanced testing helps combat H5N1 avian influenza. Learn About USDA's National Milk Testing Strategy
What’s Happening With Dairy Cows and Bird Flu
Apr 8, 2024 · The H5N1 strain of avian influenza has been found in dairy cows, raising concerns among scientists about what the spillover could mean for humans—and whether the virus has …
Investigation of Avian Influenza A (H5N1) Virus in Dairy Cattle
After the first detection of HPAI H5N1 in dairy cattle in March 2024, the FDA has engaged in research and other efforts with industry, federal, and state partners to ensure the continued...
An Update on Avian Influenza in Dairy Cows, Poultry, and Humans
Nov 26, 2024 · Outbreaks of H5N1 continue to rise in dairy cattle and poultry, as well as in other wild and domesticated animals, including the first confirmed infection in a pig. Human cases …
High-Pathogenicity (Highly Pathogenic) Avian Influenza in Cattle
High-pathogenicity avian influenza (HPAI) is a contagious viral influenza infection in cattle, domestic poultry, wild birds, and other domestic and wild mammals. HPAI virus is also a …
Tests so far indicate that the virus detected in dairy cows is H5N1, Eurasian lineage goose/Guangdong clade 2.3.4.4b. This is the same clade that has been affecting wild birds …
Comparison of Contemporary and Historic Highly Pathogenic Avian ...
Dec 30, 2024 · Clade 2.3.4.4b highly pathogenic avian influenza (HPAI) A(H5N1) viruses have circulated in avian species in North America since 2021. Subsequently, those viruses have …