(CNN)-- An online map showing where swine flu -- or H1N1 virus-- is spreading has gone viral, so to speak. Created as a side project by Henry Niman, a Pittsburgh-based biochemist, it's attracting ...

The map below shows where H3N2 strains came from ... including adults who travel and spread it around the world. In contrast, the H1N1 and B flu viruses don't evolve as quickly and tend to infect ...

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 ...

In mid March 2009, an unknown virus began spreading in Mexico, and by late April, cases of the H1N1 virus — commonly called the Swine Flu — had been confirmed in the U.S., Canada, Spain and ...

Much to Palese's surprise, when they compared the spot pattern of the 1977 H1N1 Russian flu with a variety of other influenza ...

How an accidental virus release triggered 1977’s ‘Russian flu.' ...

So, the 1977 Russian flu virus was actually a strain that had disappeared from the planet a quarter century early, then was somehow resurrected back into circulation. This explained why it attacked ...

Clearly the historical context was evident: the 1918 Influenza Pandemic (H1N1: 50 million to 100 million excess deaths), the ...

the RNA fragments created a unique fingerprint-like map of spots. Much to Palese’s surprise, when they compared the spot pattern of the 1977 H1N1 Russian flu with a variety of other influenza vi ...