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During the 2009-10 H1N1 or “swine flu” pandemic, the same virus that caused mild coughing and sneezing in some patients proved fatal for others. It highlighted a medical mystery: why are some people more fit to handle the flu than others?
British and American researchers think they have a clue. Reporting on Sunday in the journal Nature, researchers say they’ve found a gene that influences our susceptibility to flu illness. The gene, called IFITM3, is the “crucial first line of defense” against the flu, researcher Paul Kellam of Britain’s Sanger Institute toldReuters.
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