How are H5N9 and H5N1 different? What to know after California bird flu outbreak
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.
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.
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 nearly 119,000 birds and concerns.
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.
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.
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 reassortment that could trigger human outbreaks.
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.
First Reported H5N9 Bird Flu Outbreak In US As H5N1 Keeps Spreading
While the H5N1 bird flu keep spreading, there has been for the first time ever a reported H5N9 outbreak in the United States. This occurred on a duck farm in California ...
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CDC alerts clinicians to accelerate type A flu subtyping in hospitalized patients
The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type ...
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H5N1 Bird Flu Warning: Is India Ready for Another Deadly COVID-Like Virus Outbreak?
H5N1, or bird flu, poses a limited risk to humans but remains a serious threat. Learn how it spreads, its symptoms, and key ...
Bird flu has been reported worldwide. Is it a threat to humans? What the CDC recommends.
The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to ...
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CDC urges hospitals to fast-track bird flu testing
Hospitals that have the equipment to test for the H5N1 bird flu subtypes are urged to do so in house, as close to the ...
Lithuania reports outbreak of H5N1 bird flu on laying hen farm, WOAH says
Lithuania has reported an outbreak of highly pathogenic H5N1 avian influenza, commonly called bird flu, on a laying hen farm ...
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Influenza News
The findings come at a time when outbreaks of bird flu -- a different subtype of the ... diagnosed with influenza, a recent study reports an ... Single Mutation in H5N1 Influenza Surface ...
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Bird flu has been spreading worldwide. What's the threat? Here's what the CDC recommends.
A subtype of bird flu caused by avian influenza A (H5 ... Currently, no avian influenza A viruses, including avian influenza A(H5N1), have gained the ability to spread easily and ...