作者以1975年1月～1984年12月所有在海军医疗机构住院的海军现役人员的出院记录为材料,对美国海军中病毒性肝炎进行了流行病学调查。10年间因急性病毒性肝炎住院的平均每年447人,约占所有住院病人(4500人)的10％。1975年病毒性肝炎住院率为128/10~5,到1984年下降为56/10~5。乙肝是最常见的肝炎,占肝炎住院者的28％,但10年间乙肝和非甲非 The author conducted an epidemiological investigation of the viral hepatitis in the U.S. Navy from January to December 1984 with the records of all the discharged Navy active personnel hospitalized in naval medical institutions. The average hospitalization for acute viral hepatitis in 10 years is 447 per year, accounting for about 10% of all inpatients (4500). In 1975, the rate of viral hepatitis hospitalization was 128/10 to 5, down from 56/10 to 5 in 1984. Hepatitis B is the most common hepatitis, accounting for 28% of hospitalized hepatitis, but 10 years of hepatitis B and non-A non