Gene variant makes flu particularly dangerous
People with one form of IFITM3 more likely to develop pneumonia
By Tina Hesman Saey, 11:20 AM January 29, 2013
Chinese people carrying a particular version of an immune system gene are up to six times more likely to develop severe influenza than those lacking the variant. In a previous study involving mostly people of European descent, scientists found that a few individuals carried a particular form of a gene known as IFITM3 and got hit especially hard by the flu. In China, the variant is much more common. About three-quarters of people carry at least one copy of the form of IFITM3 that is rare amon...
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