CDC has 400 scientists tasked to track and fight the 2009 H1N1 flu virus . The Hurricane Center in Atlanta , Georgia , operates 24/7 . Researchers still struggle to understand the nature of the virus .
CDC has 400 people tasked to track and fight the 2009 H1N1 flu virus . Emergency Operations Center in Atlanta , Georgia , operates 24/7 . Researchers still struggling to understand the origin of the virus .