Health officials were struggling to answer a broader and potentially worrisome question: how the infection occurred.

The new guidance comes after blood tests for 115 farmworkers in Michigan and Colorado showed that eight workers — or 7% — had ...

Researchers have identified new roles for a protein long known to protect against severe flu infection—among them, raising ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

Here’s our weekly round-up of what illnesses are spreading the most in Metro Detroit communities, according to our local ...

After a new study showed that bird flu has spread to dairy farm workers more often than previously known, the US Centers for ...

A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

A Canadian teenager is currently in critical condition after contracting a suspected case of H5N1 bird flu, a British ...

A new CDC report has revealed that 7% of dairy workers tested had evidence of prior infection with the H5N1 avian influenza or “bird flu” virus. The study conducted between June and August of ...

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...