Bird flu is circulating among dairy cows and a dairy farm employee has been infected. An expert explains what you need to know.

Researchers are developing a new recombinant flu vaccine that has the potential for stronger and broader immunity.

Infection with a measles-like virus causes catastrophic lung failure in ferrets previously infected with flu or RSV, according to a new study.

People hospitalized with seasonal influenza can suffer long-term, negative health effects, especially involving their lungs and airways.

Most parents in the US say they intend to vaccinate their children against COVID-19, influenza, and RSV—the so-called "tripledemic."

Over a third of US adults are worried that they or someone in their family will get the seasonal flu, COVID-19, or RSV in the next three months, a survey finds.

Newly approved and updated vaccines are the best tools available to combat COVID-19, the flu and RSV, as infections and hospitalizations tick upward and cold and flu season gets underway.

New findings may support the development of more effective vaccines and therapeutics against influenza, researchers report.

New research finds threat not just in foreign lands, live markets in U.S. enormous, largely unregulated.

Despite an abundance of research on strep, there is still a great deal of debate in the scientific community over whether and when people should get tested and treated for it.