A small genetic change makes flu virus deadly A tiny change in one of the influenza virus’s 10 genes is key to making certain strains of the virus especially virulent to humans, scientists report in the Sept. 7 issue of Science. This discovery helps explain why an influenza outbreak four years ago in Hong Kong killed an unusually high proportion of the people it infected.
NIH/National Institute of Allergy and Infectious Diseases Contact: Jeff Minerd jminerd@niaid.nih.gov 301-402-1663 NIH/National Institute of Allergy and Infectious Diseases
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