Time course of hepatitis A virus antibody titer after active and passive immunization
Shigetoshi Fujiyama, Shiro Iino, Koichi Odoh, Shoji Kuzuhara, Hiroaki Watanabe, Masahiko Tanaka, Kyosuke Mizuno, Tatsuo Sato – 1 June 1992 – To investigate the antibody titer necessary to prevent hepatitis A virus infection, either 15 or 7.5 mg/kg of immune serum globulin was injected into 10 antihepatitis A virus negative volunteers and their serum antihepatitis A virus titers were observed for 28 wk. In addition, antibody titers were observed for 96 wk in a phase 1 clinical trial of a hepatitis A vaccine.