A remote colony of elephant seals in southern Chile is showing signs of recovery after being devastated by avian flu just two ...

Historically, human H5N1 infections were sporadic and always related to exposure to infected poultry. As of November 2024, more than 900 human cases in 24 countries had been reported, with ...

Here, we investigated whether a clade 2.3.4.4b virus isolate from a human case in Chile would trigger severe respiratory disease in cynomolgus macaques. Macaques were implanted with radiotelemetry ...

Although those vaccine materials were designed using versions of H5N1 flu from the early 2000s, a recent study suggests that they create an antibody response to the newer 2.3.4.4b versions that ...

USDA milk testing shows different strain of H5N1 bird flu in Nevada dairy herds. But alone, they dismiss an outsized advantage we possess over bird flu — one that is greater, arguably, than our ...

Confirmation of the first H5N1 bird flu infection of a backyard flock in San Mateo County on Feb. 4, ... Mexico, Chile and Uruguay halt poultry imports from Brazil after bird flu outbreak ...

Mexico, Chile and Uruguay halt poultry imports from Brazil after bird flu outbreak ... Although most of the H5N1 samples have been handled by the state public health laboratory system, ...

Bird flu, also known as H5N1, has been around for decades. But the discovery in 2024 that the virus spread from wild birds to cows came as a surprise to public health experts, according to officials .

H5N1 bird flu is likely infecting more people than we know. New research from the Centers for Disease Control and Prevention shows that 7% of monitored dairy farmers in Michigan and Colorado have ...

A different strain of H5N9 has shown up in U.S. birds before. H5N1 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus ...

The H5N1 bird flu, spreading across all 50 U.S. states, raises concerns about a potential pandemic. The virus has impacted dairy farms, poultry flocks, and humans, with one confirmed human death ...

Experts believe three more cats in Los Angeles County have been infected with H5N1 bird flu. Two others succumbed to the disease earlier this month after drinking recalled raw milk from Fresno ...