Jan 28, 2025 · CBS A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been found among sick birds in the flock.. This is far from the first time that H5N9 has been found in birds around the country. But the U.S. …

3 days ago · In late January, scientists at the World Organization for Animal Health (WOAH) reported the first cases of H5N9 avian influenza in the U.S., on a duck farm in California. The latest strain isn’t ...

1 day ago · Vohra explains what we know about bird flu, both the H5N1 and H5N9 variants, and the precautions we can take to prevent it from becoming a public health emergency. What is bird flu? Bird flu originated as a common name for the H5N1 virus strain of influenza that has been affecting wild birds and poultry for decades.

1 day ago · As a high-pathogenicity subtype, H5N9 infections in birds will be treated very similarly to H5N1 infections, requiring the culling of flocks to prevent continued spread of the virus. “H5 and H7 avian influenza viruses are deadly for poultry and can wipe out entire poultry flocks in a matter of days,” Carnaccini said. “Depopulation is a ...

4 days ago · "The combination H5N9 is not new and other versions, like H5N5 also exist," Florian Krammer, a professor of vaccinology at the Icahn School of Medicine at Mount Sinai in New York, told CBS News ...

Jan 28, 2025 · If H5N9 gains a foothold in humans, people may possibly have less immunity to the virus than they do to H5N1. "The seasonal, human H1N1 virus has an NA protein that is related, but different from ...

Jan 28, 2025 · The report is the first emergence of H5N9 in the United States, according to the Center for Infectious Disease Research and Policy. The most recent national data on bird flu from the Centers for Disease Control and Prevention (CDC) confirm 67 human cases of H5N1 in the U.S. since the outbreak began last April, with 1 death reported Jan. 6 in ...

Jan 29, 2025 · "This is the first confirmed case of HPAI H5N9 in poultry in the United States," said Paris-based WOAH, which monitors animal diseases worldwide. It said the outbreak, whose origin was unknown, was confirmed on January 13 and all …

Jan 27, 2025 · Highly pathogenic H5N9 avian flu has been identified for the first time in US poultry, on a duck meat farm in California that experienced an outbreak in November 2024, according to a notification today from the World Organization for Animal Health (WOAH).. Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of Agriculture (USDA ...

Jan 28, 2025 · Rare bird flu strain found in California raises potential of wider spread. First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic ...