根据黑龙江省13个地、市卫生防疫站上报的疫情年报统计,病毒性肝炎发病率有较大幅度上升,1997年全省肝炎发病数21608例,发病率58.84/10万,较1996年14418例,发病率39.30/10万上升49.72％,肝炎的发病率位居所有传染病榜首,严重威胁着黑龙江省人民的身体健康。1998年1～4月份病毒性肝炎 According to the annual report of epidemic situation reported by 13 health and epidemic prevention stations in Heilongjiang Province, the incidence of viral hepatitis has risen by a large margin. In 1997, the incidence of hepatitis in the province was 21,608 with a prevalence of 58.84 / 100,000, up from 14418 cases in 1996 , The incidence rate of 39.30 / 100,000 increased by 49.72%. The incidence of hepatitis was among the highest in all infectious diseases, which seriously threatened the health of the people in Heilongjiang Province. From January to April 1998, viral hepatitis