New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Cambodia's health ministry today announced another human H5N1 avian flu case of the year, involving a 5-year-old boy from ...

A form of highly pathogenic avian influenza, or H5N1, picked up in October and began spreading quickly through the country toward the end of the year. It's made egg prices unpredictable as grocery ...

This D1.1 strain of H5N1 bird flu is different from the B3.13 genotype which has been fueling this past year's unprecedented outbreak on dairy farms across the U.S.

Once H5N1 bird flu was identified in Kimberly's birds, she said the Wayne County Department of Health, Human, and Veterans Services also contacted her. For 10 days, her health was monitored with ...

“While tragic, a death from H5N1 bird flu in the United States is not unexpected because of the known potential for infection with these viruses to cause severe illness and death,” the US ...

The H5N1 virus is the major strain circulating among wild birds worldwide, and emerged in China in the late 1990s. Although infection of humans is very rare, it occurs via transmission from birds.

In August, a person in Missouri was hospitalized with H5N1 bird flu and recovered after being treated with antivirals. The patient, who had underlying medical conditions, had no known exposure to ...

A hospitalized 13-year-old B.C. girl believed to be the first person to acquire H5N1 avian flu in Canada is now out of intensive care and breathing on her own.

Two cases in California and Missouri have come from unknown sources where the patients didn’t work with farm animals. The known human cases of bird flu as of Jan. 6, 2025. Screenshot: CDC ...

H5N1, the most common strain of bird flu, is an HPAI. Low pathogenicity avian influenza (LPAI) This type causes less serious illness in chickens and is less likely to cause death.