It is estimated that more than 500 million people throughout the world are infected with one of the six kinds of hepatitis viruses. Although hepatitis can be fatal, many people who are infected never show symptoms and don"t realize they have the virus. Th..Title: .Hepatitis..Author: .Horn, Lyle W., Ph.D./ Hecht, Alan..Publisher: .Facts on File..Publication Date: .2011/09/01..Number of Pages: .136..Binding Type: .LIBRARY..Library of Congress: .2011011158