New Bird Flu Strain Detected in U.S.

First US case of new bird flu strain found on California duck farm
US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying sign that the virus is evolving in ways that could make it harder to
What Is H5N9? US Reports First Bird Flu Strain Outbreak in Poultry
H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird flu. It's a reassortment strain that originated from the H5N1, H7N9, and H9N2 subtypes.
H5N9 bird flu outbreak: New virus strain detected on California farm
The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.
First outbreak of rare bird flu strain detected at Calif. duck farm
U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a report to Paris-based WOAH, adding that the almost 119,000 birds on the
H5N9 Bird Flu Outbreak in US: New strain detected on California duck farm-How it is different from H5N1?
According to the Centers for Disease Control and Prevention, 67 people in the U.S. have been infected with H5N1 bird flu. One person has died.
For the first time, H5N9 strain of bird flu detected in U.S. poultry
A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses
Bird flu confirmed in Spartanburg flock, 490 birds euthanized: What to know
A case of the bird flu (also known avian flu or H5N1) involving gamebirds has been confirmed in Spartanburg. The virus was first detected on Dec. 31 and has not been transmitted elsewhere in the Carolinas, the Centers for Disease Control (CDC) reports.
New strain of bird flu H5N9 found on California duck farm
A rare subtype of the bird flu H5N9 was found at a commercial duck farm in California, according to the Paris-based World Organization for Animal Health.
New Bird Flu Strain Detected in the U.S.
By India Edwards HealthDay Reporter WEDNESDAY, Jan. 29, 2025 (HealthDay News) -- A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.
Deadly bird flu strain threatens US food supply
Learn about the new H5N9 bird flu strain in the US, its impact on food safety and prices, plus expert advice on protecting yourself from avian influenza.
Scientists Confirm a New Strain of Bird Flu Has Emerged in The US
A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in poultry in the United States, an international agency said.
Experts warn about the new H5N9 bird flu affecting California: How is it different from H5N1?
The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...
First US case of rare H5N9 bird flu reported; Difference between H5N1 and H5N9
The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...
What is H5N9? The U.S. reported its first outbreak of the rare bird flu variant. Could Canada be affected?
The U.S. is reporting its first confirmed outbreak of H5N9 avian flu at a California duck farm amid a global surge in its ...