An investigation from CDC ■Hepatitis B+A ■1988，Shanghai,TCM mainly,.mortality0.05% 1983-1988,USA,western medicine,mortality 11.7% The ratio of mortality 1:234 CDC center for disease controlling (AmericanAn investigation from CDC ◼ Hepatitis B +A ◼ 1988, Shanghai, TCM mainly, mortality 0.05% ◼ 1983-1988, USA, western medicine, mortality 11.7% ◼ The ratio of mortality 1:234 ◼ CDC center for disease controlling (American )