In 1918, a flu pandemic caused by a strain of H1N1 infected 500 million people worldwide. It was known as the Spanish flu, and at least 50 million people died.

A summary of the major developments in the H1N1 outbreak. June 11, 2009— -- Below is a timeline of the events in the rapidly changing flu outbreak. For answers to frequently asked questions and ...

Influenza A viruses (IAVs) in swine are a source of risk to human beings due to their high genetic diversity and absence of population-level immunity. A recent Nature Communications study ...

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 ...

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 ...

In February 1976, an outbreak of swine flu struck Fort Dix Army base in New Jersey, killing a 19-year-old private and infecting hundreds of soldiers. Concerned that the U.S. was on the verge of a ...

Swine Flu In The U.S. Number of laboratory-confirmed cases of human swine flu in the U.S. as of 12:30 p.m. ET, Apr. 26.: Governments are racing to find and contain pockets of swine flu around the ...

As more and more people receive the H1N1 shot, an earlier vaccine is casting a mysterious shadow over the attempt to immunize 200 million people in the next few months. A vaccine made in 1976 in ...

Ch. 1. The plague year -- Ch. 2. A history of disease and death -- Ch. 3. From sailors to swine -- Ch. 4. A Swedish adventurer -- Ch. 5. Swine flu -- Ch. 6. A litigation nightmare -- Ch. 7. John ...