In a Phase 3 trial of more than 18,000 volunteers across three countries, an mRNA influenza vaccine from Pfizer has ...

A new and potentially more severe variant of the flu, known as H3N2 subclade K, has reached the United States, prompting ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to know.

Vaccine mismatches may raise severity risks this flu season. Low vaccination uptake increases overall flu transmission ...

As the first human case of H5N5 bird flu is confirmed in the US, here are some frequently asked questions about the disease, ...

As North America's flu season ramps up, social media influencers are claiming baking soda, also known as sodium bicarbonate, ...

After saying last month it had discontinued its weekly flu report, the Arkansas Department of Health has reversed course, ...

The person, who had been hospitalized in King County since early November, died on Nov. 21, health officials said.

With the arrival of winter, the Dominican Republic has seen a significant increase in respiratory viruses, especially influenza A and B, which cause the flu. Given this situation, the question arises: ...

A second U.S. resident has died from the bird flu. The Washington Department of Health reported that the Grays Harbor County ...

Avian influenza, commonly known as bird flu, continues to be detected in wild birds across much of Washington.