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二、职业因素对机体免疫系统的影响小剂量工业毒物的长期作用引起机体对微生物的抵抗力下降,在一些化工厂的工人表现为有较高的传染病患病率;实验已证明很多化学物质对天然和人工免疫力存在影响。如苯中毒对传染病抵抗力的影响至少通过三个途径:抗体水平的降低、白血球减少及其吞噬作用的减弱。近十几年来对这方面的影响有比较多的了解。(一) 对微生物感染和传染病患病率的影响
Second, occupational factors on the body’s immune system The long-term effects of small doses of industrial toxicants cause the body’s resistance to microorganisms decreased, in some chemical plant workers showed a higher prevalence of infectious diseases; experiments have proved that many chemicals Affects natural and artificial immunity. Such as benzene poisoning on the impact of infectious disease resistance through at least three ways: a decrease in antibody levels, leukopenia and phagocytosis. Over the past decade or so in this area have a more understanding of the impact. (A) the impact on the prevalence of microbial infections and infectious diseases