Governor Josh Shapiro of Pennsylvania convened a crisis response meeting this week to address a massive avian influenza outbreak in the state. Per state officials, nearly 7.6 million birds have ...

Researchers at UC Davis say news they've dreaded since 2023 has come to pass: California's elephant seals have been infected with H5N1 bird flu.

At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether highly pathogenic avian influenza A (H5N1) could lead to the next pandemic. A ...

A Washington resident has been hospitalized with a strain of bird flu that has not been seen in humans before, according to the Washington State Health Department. Since 2024, there have been 70 ...

Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice experiments ...

Pennsylvania is at the epicenter of a resurgence of highly pathogenic avian influenza with outbreaks reported at numerous egg and poultry farms. Only Iowa, Indiana and Ohio produce more eggs than ...

Bird flu cases are increasing, and a new review suggests the virus might spread between people without causing symptoms. But with limited surveillance and major gaps in data and reporting, the scope ...

Scientists have discovered that avian influenza viruses have a gene that makes them incredibly resistant to heat, rendering our body's natural defense system – fever – powerless in fighting infection.

Add Yahoo as a preferred source to see more of our stories on Google. Thousands of birds at a poultry farm in Pennsylvania in a file photo. Maryland officials announced this week that they had ...

After a summer hiatus, bird flu cases are once again ticking up in the United States. During the government shutdown, public health tracking systems stopped sharing updates, including CDC’s FluView ...

As 2024 came to an end, bird flu dominated headlines. The virus, technically known as avian influenza, was being detected in raw milk, dairy farms and even children, my colleagues Susanne Rust and ...