论文部分内容阅读
本文报告1989年7～10月河北省固安县某砖厂青年工人中甲型肝炎暴发。共发病29例,罹患率为18.6％。安徽籍工人的罹患率明显高于本地工人,其原因可能与免疫力低有关。本次暴发显性感染与隐性感染之比为2.4:1。
This article reports the outbreak of hepatitis A among young workers at a brick factory in Gu’an County, Hebei Province, from July to October 1989. A total of 29 cases of disease, the attack rate was 18.6%. The incidence of Anhui workers is significantly higher than the local workers, the reason may be related to low immunity. The outbreak of overt infection and latent infection ratio of 2.4: 1.