自上世纪 90年代以来 ,武威市病毒性肝炎发病一直居各种传染病发病之首 ,且报告发病率呈逐年上升之势。到 2 0 0 3年 ,病毒性肝炎报告发病率达4 91 39/ 10万 ,占传染病总报告发病率 (6 48 2 8/10万 )的 75 80 % ,比 2 0 0 2年报告发病率 (30 9 87/10万 )上升了 5 8 5 8% 〔1,2 Since the 90s of last century, the incidence of viral hepatitis in Wuwei City has been ranked first in the incidence of various infectious diseases, and the reported incidence shows a year-on-year rise. By 2003, the reported incidence of viral hepatitis reached 4191 39/10 million, accounting for 75 80% of the total reported incidence of infectious diseases (6 48 2 8/10 million), which was higher than that reported in 2002 The rate (30 9 87/10 million) increased by 58 58% [1,2]