Influenza A virus subtype H5N1 California

New strain of bird flu found in California

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.

Orange County Register · 1d

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

Newsweek · 2d

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.

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 ...

2don MSN

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 ...

13d

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 ...

7don MSN

Bird Flu: Vaccines May Drive Virus Evolution

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

CNN19d

California child is presumed positive for bird flu

A child in San Francisco who had red eyes and a fever had a probable case of H5N1 bird flu, according to the city ... influenza A viruses to learn their subtypes. This enhanced testing is ...

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