In February 1976, 19-year-old U.S. Army Pvt. David Lewis died at Fort Dix, New Jersey, from a respiratory illness. Testing revealed infection with a novel influenza strain similar to the 1918 Spanish ...

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.

Apr. 23, 2025 — A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as ...