Category: Avian Influenza
Unexpected Detection of Highly Pathogenic Avian Influenza (HPAI) H5N1 virus in bovine semen from a bull used for natural breeding on an affected dairy farm
Univ Wisconsin (PrePub) Abstract Since March 2024, HPAI H5N1 virus has infected dairy cattle in the U.S., prompting concern about novel transmission routes. During an outbreak in California, HPAI H5N1 RNA was detected in an asymptomatic bull’s semen. Although infectious virus was not isolated, questions remain about semen-associated transmission risks and biosecurity practices. Main Text […]
Nov 5, 2025
FDA testing aged raw cow’s milk cheese for bird flu
MSN The Food and Drug Administration (FDA) will begin collecting samples of raw cow’s milk cheese from across the U.S. to test for the presence of bird flu, spurred on by the ongoing outbreaks of H5N1 in multiple states. In the announcement published Monday, the FDA said the goal of testing will be two-fold: detecting the […]
Nov 5, 2025
Beyond the Barnyard: How H5N1 Is Crossing Species—and Borders
Infection Control Today During the August 2025 Health Watch USA(sm) webinar entitled “Combating Infectious Disease Challenges,” several lectures were devoted to the then-outdated topic of H5N1 or the bird flu. Many people in the public, including those on social media, attributed the disappearance of the bird flu over the summer months to the implementation of […]
Nov 5, 2025
Indiana: Bird flu spreads to total of 15 farms
WISHTV Two more duck operations in northern Indiana and a hobby flock of mixed species in the Indianapolis metropolitan area are the latest to be quarantined with bird flu, the state’s Board of Animal Health said Tuesday night. A commercial meat duck operation with 20,772 birds in Elkhart County and another with 4,837 birds in […]
Nov 5, 2025
Over 93,000 birds affected by bird flu in recent outbreak
Indiana Public Media More than 93,000 Indiana birds have caught the highly pathogenic avian influenza, or bird flu, according to data from the US Department of Agriculture. Currently, the USDA reports six Indiana commercial flocks and three backyard flocks have been affected by bird flu. Elkhart County has an active case, with 6,900 affected birds. All […]
Nov 5, 2025
Reports of bird flu in farm animals raise concerns about the virus
NPR Cases of bird flu have been reported in farm animals across the country. While there are no human cases, some are concerned the shutdown and cuts to federal resources have us flying in the dark.
Nov 5, 2025
Bird Flu Is Back. Here’s What to Know
Scientific American After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still uncertain. After a summer lull in U.S. cases of avian influenza in both poultry and dairy cattle—and no human infections reported in the country since February—the virus is back. Bird flu’s return threatens […]
Oct 29, 2025
Tiger deaths in Vietnam due to infection with H5N1 highly pathogenic avian influenza virus bearing mutations associated with mammalian host adaptation
NIH Abstract Recently, infections with the H5N1 subtype of highly pathogenic avian influenza virus (H5N1-HPAIV) in mammals have been reported worldwide, including in cows in the United States and successive human cases in Cambodia. In Vietnam, 47 tigers and three leopards died from H5N1-HPAIV infection between August and October 2024. This study aimed to determine […]
Oct 29, 2025
This ‘minor’ bird flu strain has potential to spark human pandemic
Nature Experiments suggests H9N2 has adapted to human cells but cases of person-to-person transmission haven’t been reported yet. A bird flu virus that has often been ignored because it mostly causes minor disease in birds has the potential to cause a human pandemic, says a team that has tracked how the H9N2 virus has become […]
Oct 29, 2025
This Overlooked Bird Flu Strain Might Be the Next Pandemic Risk
Scientific American Experiments suggests H9N2 has adapted to human cells, but cases of person-to-person transmission haven’t been reported yet. A bird flu virus that has often been ignored because it mostly causes minor disease in birds has the potential to cause a human pandemic, says a team that has tracked how the H9N2 virus has […]
Oct 29, 2025