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目的调查楚雄市首起布鲁氏菌病疫情感染来源和传播危险因素。方法采用现场流行病学和血清学检测方法进行调查。结果采集重点人群血清样品12份,试管凝集试验(serum agglutination test,SAT)阳性2份,阳性率16.67%;急性感染病例1例,隐性感染病例1例;采集139份羊血清样品,虎红平板凝集试验(rose Bengal plate agglutination test,RBPT)均为阴性,其中13份可疑羊血清样品经试管凝集试验(SAT)复检为阴性。结论楚雄市发生首起人间布鲁氏菌病散发疫情,建议开展多方面多因素的调查,进一步明确感染来源和传播危险因素。
Objective To investigate the origin and risk factors of brucellosis in Chuxiong City. Methods Field epidemiological and serological test methods were used to investigate. Results Twelve serum samples from the key population were collected, two were positive for the serum agglutination test (SAT), the positive rate was 16.67%. One case was acute and one case was latent infection. 139 samples of sheep serum were collected, The RBPT was negative, of which 13 samples of suspected sheep serum were negative by the test tube agglutination test (SAT). Conclusions The first outbreak of human brucellosis was reported in Chuxiong City. It is suggested that a multi-factor investigation should be conducted to further clarify the sources of infection and spread the risk factors.