CDC works 24/7 to protect the American people from disease, including those that begin overseas. CDC has dedicated and caring experts in over 50 countries. They detect and control outbreaks at their source, saving lives and reducing healthcare costs. Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia/Tools/CommentPolicy.html This video can also be viewed at http://streaming.cdc.gov/vod.php?id=510fe1cc0f87602d260cd76feb0ce2d720120823142805705