How a 1997 outbreak helped shape CDC’s crisis communication From avian flu to H1N1, a world of difference in getting the message out to the public. By Jessica Levco@raganreporterMay 19, 2009 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.