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Researchers unlock secrets of 1918 flu pandemic

Rover found this 12/30/2008 on democraticunderground.com

Source: [b]Reuters[/b] WASHINGTON (Reuters) - Researchers have found out what made the 1918 flu pandemic so deadly -- a group of three genes that lets the virus invade the lungs and cause pneumonia. They mixed samples of the 1918 influenza strain with modern seasonal flu viruses to find ...