Remember when pandemics were something we only read about in history books? Good times. Today, we’re looking back at when Bulgaria swine flu became a big deal. It’s a story of how it spread, the ...

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 ...

SHENYANG, CHINA - APRIL 30: (CHINA OUT) Hogs look on at a pig farm on April 30, 2009 in Shenyang of Liaoning Province, China. The Chinese government started taking preventative measures against the ...

• December 2005 to January 2009: The Centers for Disease Control and Preven-tion receives reports of 12 cases of human infection with swine flu. Five of these 12 cases occurred in patients who had ...