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目的分析湛江农垦勇士农场中心小学1起感染性腹泻聚集性疫情病因,了解疫情流行病学特征,观察控制措施效果,为制定预防措施提供科学依据。方法采用现场流行病学调查及实验室检测方法,对病例进行回顾性调查。结果本次疫情持续6 d,首发病例发病时间为2015年9月13日,累计发病13例,总罹患率为3.2%,男生罹患率2.8%(6/216),女生罹患率3.7%(7/191),男女性别差异无统计学意义(OR=0.245)。13例病例主要症状为腹泻87%(11/13)、腹痛100%(13/13)、恶心23%(3/13)、呕吐46%(6/13)、发热15%(2/13)。结论该起疫情为感染性腹泻聚集性疫情,食物和接触传播为主要传播途径,根据传染病疫情网络报告系统,及时掌握当地传染病疫情及季节性流行特征,及时提示传染病预警,提高防病意识和能力,做好防病措施。
Objective To analyze the etiological factor of one epidemic of infectious diarrhea in Warrior Farm Central Primary School of Zhanjiang Reclamation Farm, understand the epidemiological characteristics of the epidemic, observe the effects of control measures and provide a scientific basis for the formulation of preventive measures. Methods The epidemiological survey and laboratory testing methods were used to investigate the cases retrospectively. Results The outbreak lasted for 6 days. The onset time of the first case was September 13, 2015, with a cumulative incidence of 13 cases, with a total attack rate of 3.2%. The prevalence rate of boys was 2.8% (6/216) and that of girls was 3.7% (7% / 191). The gender difference was not statistically significant (OR = 0.245). The main symptoms of 13 cases were diarrhea 87% (11/13), abdominal pain 100% (13/13), nausea 23% (3/13), vomiting 46% (6/13) and fever 15% (2/13) . Conclusions The outbreak is infectious diarrhea epidemic, food and contact transmission as the main route of transmission. According to the infectious disease outbreak network reporting system, the epidemic situation and the seasonal epidemic characteristics of local infectious diseases are timely grasped, and timely warning of infectious diseases and improvement of disease prevention Awareness and ability, good preventive measures.