Nineteen-year-old U.S. Army Pvt. David Lewis set out from Fort Dix on a 50-mile hike with his unit on Feb. 5, 1976. On that bitter cold day, he collapsed and died. Autopsy specimens unexpectedly ...

So sayeth the World Health Organization (WHO)—and they should know, since they were the ones who declared a full, phase six-level pandemic a little more than a year ago. Now it’s done—this morning WHO ...

A new study has identified an influenza virus circulating in pigs that shows multiple traits associated with pandemic potential. Known as H1N2, the virus belongs to a lineage of flu viruses that ...