Concentration of Hepatitis a virus in Various Body Fluids Feces Serum Saliva Urine 108 Infectious Doses per ml Source: Viral Hepatitis and liver disease 1984; 9-22 J Infect Dis1989160:887-890Source: Viral'Hepa%%s'and'Liver'Disease'1984;9N22' J'Infect'Dis'1989;160:887N890' Feces' Serum' Saliva' Urine' Body Fluid Infectious Doses per ml 100 102 104 106 108 1010 Concentration of Hepatitis A Virus in Various Body Fluids