Most Cases of Hepatitis B Are From Sex. Why Should We Vaccinate Infantshttp://articles.mercola.com/sites/articles/archive/2002/04/20/hepatitis-b-part-two.aspxResearchers from the Centers for Disease Control and Prevention in Atlanta, used data from the Sentinel Counties Study of Viral Hepatitis to examine changes in disease incidence and risk factors for acute hepatitis B during 1982 to 1998. During this periodenCommunityServer 2008.5 SP1 (Build: 31106.3070)