This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Pfizer’s chief medical officer Dr. Freda Lewis-Hall joins The Doctors to share the signs and symptoms of a MRSA infection, and steps you can take to prevent contracting this potentially deadly bacteria. ShareTweet