A mess cook's sick call visit at Camp Funston became the first recorded military case of an outbreak that killed more U.S. soldiers than the Germans did in WWI.

In February 1926, residents of Dickinson, N.D., were a lot like the Badlands at the edge of town — rugged, tough and not easily rattled. But that winter, 100 years ago, a medical ...

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to unsolved mysteries and events in the world, the most popular one that comes to mind is the D.B. Cooper case. It ...

After the U.S. withdrew from the World Health Organization, it wasn't clear they would participate in this WHO-led meeting to determine the recipe for the next flu vaccine.

This year's fierce flu season is not over. Although parts of the United States are seeing downward trends, influenza activity remains elevated nationally. The 2025-2026 flu season is already shaping ...

Most of us try to dodge coughs and sneezes, but some viral threats aren’t so obvious. Research shows that many viruses can linger in the air and on surfaces long after an infected person has left the ...

New simulations reveal that both H1N1 and COVID-19 spread across U.S. cities in a matter of weeks, often before officials realized what was happening. Major travel hubs helped drive rapid nationwide ...

Influenza can sicken and kill. Vaccines are our best defense.

A lethal form of bird flu, which has already killed tens of thousands of elephant seals in the Southern Hemisphere, is now spreading in a colony of elephant seals in California, scientists announced ...

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.