Hepatitis News: Health agency says hepatitis cases down sharply New cases of the liver disease hepatitis fell sharply in the United States from 1995 to 2005, federal health officials said on Thursday, and credited vaccination, particularly among children. Hepatitis Illnesses Hit Record Lows Reported illness from hepatitis A, hepatitis B, and hepatitis C dropped dramatically in the U.S. from 1995 to 2005, hitting record lows, says the CDC. Sweat may spread hepatitis B virus Findings from a study of Olympic wrestlers indicate that hepatitis B virus is found in the sweat of infected individuals, and so sweating might be a way that the virus could be passed between participants in contact sports. Hep E vaccine proves effective but expensive An experimental vaccine can prevent more than 95 percent of infections with hepatitis E but its makers said on Wednesday they need to find a way to make it cheaply available in the poor countries that need it most. Hepatitis E Vaccine Shows Promise A new hepatitis E vaccine was 95% effective in a 6-month study that mainly included men, experts say in The New England Journal of Medicine.