3 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 occurred globally amid widespread outbreaks of bird flu infections in wild birds and poultry.

4 days ago · Highly pathogenic avian influenza (HPAI) was identified in U.S. dairy cattle for the first time in March 2024. Here are important details.

Since late March 2024, the U.S. Department of Agriculture, Food and Drug Administration, Centers for Disease Control and Prevention, and state veterinary and public health officials have been investigating the detection of highly pathogenic avian influenza in dairy cows, with one human infection.

Jun 8, 2024 · On March 25, 2024, USDA announced unpasteurized, clinical samples of milk from sick cattle collected from two dairy farms in Kansas and one in Texas, as well as an oropharyngeal swab from another dairy in Texas, have tested positive for highly pathogenic avian influenza (HPAI).

Sep 24, 2024 · On March 25, 2024, USDA announced unpasteurized, clinical samples of milk from sick catle collected from two dairy farms in Kansas and one in Texas, as well as an oropharyngeal swab from another dairy in Texas, tested positive for highly pathogenic avian influenza (HPAI).

Jan 17, 2025 · The USDA, the FDA, and the CDC, along with state partners, continue to investigate an outbreak of Avian Influenza A (H5N1) impacting poultry, dairy cows, and people in multiple states.

2 days ago · A second type of bird flu has been found in U.S. dairy cows for the first time, ... all dairy herd detections in the U.S. had been infected with a form of bird flu, or avian influenza, known as B3.13.

2 days ago · The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today announced a new spillover of H5N1 avian flu to dairy cattle, which involves the D1.1 genotype currently circulating in wild birds and has been implicated in human infections, including the fatal case in a Louisiana resident who had contact with sick backyard birds.

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 pandemic potential.

May 24, 2024 · In late March 2024, highly pathogenic avian influenza virus (HPAI) of the H5N1 subtype was for the first time detected in nasal swabs and milk of dairy cows, increasing concern that HPAI...