The U.S. Department of Agriculture announced that 15 more states have enrolled in a national H5N1 milk testing program, ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

Since August, officials have identified the virus in 645 dairy herds ... across seven states have been reported to have contracted the virus. The country’s first severe case of H5N1 was ...

In all, 917 herds spanning 16 states are known to have been ... Notably California, Colorado, Washington and Oregon have been heavily impacted by H5N1. Wastewater surveillance data continues ...

Most human cases in the United States have been linked to a clear animal ... by the end of June, H5N1 had infected herds in at least a dozen states and more than 100 dairy farms.

Outbreaks of the highly pathogenic H5N1 flu have spread in cattle herds across 16 states and in poultry across 50 states. The CDC still reports the current public health risk for the virus as low ...

Nearly 700 of the state’s dairy herds have been infected ... Generally, cases have been mild in humans. While experts worry H5N1 will eventually mutate into a lethal strain capable of human ...

Mutations in one of the first human-isolated strains of H5N1 bird flu in the US were identified by the Texas Biomedical ...

The Central Valley is home to many of California's most vulnerable groups to bird flu: agricultural workers. It's also where ...