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目的分析广西横县急性出血性结膜炎(AHC)的流行特征,为今后制定防治措施提供科学依据。方法收集该县各乡镇2004—2011年AHC流行及暴发疫情资料进行描述流行病学分析。结果 2004—2011年期间AHC在各乡镇均存在低密度的流行,年均人群发病率为12.41/10万。分别在2007和2011年出现较多的病例,人群发病率分别为11.53/10万和75.72/10万。男女比例为1.41∶1。AHC流行期间为8—10月份,9月达到发病高峰。0～19岁的病例数占44.72%;20～24岁年龄组病例较少,占4.98%;而25～34岁年龄组升高至9.61%;而后随年龄增大病例逐渐减少。患病人群以学生、农民和幼儿为主。结论 AHC在该县乡均有流行,在人群密度较大的地方每三四年中极易出现1次暴发流行。
Objective To analyze the epidemiological characteristics of acute hemorrhagic conjunctivitis (AHC) in Guangxi and provide a scientific basis for future prevention and treatment measures. Methods The data of AHC prevalence and outbreak in all towns and counties of the county during 2004-2011 were collected to describe the epidemiological analysis. Results During the period 2004-2011, AHC was endemic in all towns and townships with an average annual incidence of 12.41 / 100,000. More cases occurred in 2007 and 2011, respectively. The incidence rates of the population were 11.53 / 100000 and 75.72 / 100000 respectively. The male-female ratio is 1.41: 1. AHC prevalence during the 8-10 months, September peak incidence reached. The number of cases from 0 to 19 years old accounted for 44.72%; the cases from 20 to 24 years old were fewer, accounting for 4.98%; while the age group from 25 to 34 years old increased to 9.61%, and then gradually decreased with age. The sick population is dominated by students, peasants and young children. Conclusions AHC is popular in both counties and townships. It is very easy for an outbreak to occur once every three or four years in places where population density is high.