Influenza A virus subtype H5N1 California

New strain of bird flu found in California

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

The Washington Post on MSN · 2d

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.

as.com · 2d

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.

11h

First Reported H5N9 Bird Flu Outbreak In US As H5N1 Keeps Spreading

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

CNN20d

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 ...

5hon MSN

Bird flu outbreak 2025: Symptoms, prevention, Michigan backyard chicken infection concerns

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...

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New strain of bird flu found in California

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