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1989年12月5～9日,在广州召开了全军第四届传染病专业学术会议。现将会议内容简要综述如下: 一、病毒性肝炎(428篇) 流行病学部分据对某军校322名学员连续4年的前瞻性调查,甲型肝炎病毒抗体(抗-HAV)年阳转率平均为11.9%,乙型肝炎病毒(HBV)年平均感染率为12.1%。对某监狱2443名男犯人为期3年的调查表明,慢性乙型肝炎表面抗原(HBsAg)携带者的年转阴率为1.4%,他们的乙型肝炎e抗原(HBeAg)年转阴率为22.3%。据多份调查,在HBV感染者中,丁型肝炎病毒(HDV)感染率在2.1～19.0%。1986～1987年新疆暴发肠道传播的非甲非乙型肝炎,发病率为0.96%,发病者95%有黄疸,病死率为0.61%。令人注意的是孕妇患病后,病死率竟高达30%。
December 1989 December 5 ~ 9, held in Guangzhou, the fourth infectious disease professional academic conference. The contents of the meeting are summarized as follows: I. Viral Hepatitis (428 articles) Epidemiology According to a prospective investigation of 322 cadets in a military academy for 4 consecutive years, the annual positive rate of anti-HAV antibody (anti-HAV) With an average of 11.9%. The average annual infection rate of Hepatitis B virus (HBV) was 12.1%. A 3-year survey of 2443 male prisoners in a prison showed that the annual negative conversion rate of carriers of chronic hepatitis B surface antigen (HBsAg) was 1.4% and their annual negative conversion rate of HBeAg was 22.3 %. According to several surveys, among HBV infected persons, the infection rate of hepatitis D virus (HDV) ranged from 2.1% to 19.0%. From 1986 to 1987, the incidence of non-A, non-B hepatitis in outbreak in Xinjiang was 0.96%. 95% of the patients had jaundice and the case fatality rate was 0.61%. It is noteworthy that after the illness of pregnant women, the case fatality rate was as high as 30%.