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

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

Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.

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

So far there’s been only one reported human case of bird flu in Texas this year in April and 46 total in the U.S., according ...

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find ...

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

In hospitalized patients, eosinophil levels positively correlated with antibiotic use, systemic inflammation, and worsened ...

The reduction in global travel during COVID-19 offered researchers new insights into influenza spread and mutation. After ...

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

A variant of the Avian Flu has been confirmed in Hawaii. Health officials said it’s the first one in the state, and want to ...