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目的掌握桐柏山及大别山区疟疾流行态势,分析流行因素,提出有效控制措施。方法收集桐柏山及大别山区1990-2007年各县(市)疟疾疫情、气象资料及调查资料,分析流行态势及因素。结果桐柏山区系中度不稳定疟疾流行区,疟疾回升间隔为8～9年,流行年发病率最高为28.35/10万,非流行年发病率最低为6.55/10万,传染源的积累是造成当地疟疾流行的主要因素,流行年疟疾发病与温度、降雨量密切相关,其高峰在降雨后1个月;大别山区系低度稳定疟疾流行区,年发病率在1/10万以下,连续10年以上无回升。结论桐柏山及大别山区疟疾现已降至1/万以下,大部分地区仅属残存病例,控制传染源是遏制疟疾回升的有效措施。
Objective To grasp the epidemic situation of malaria in Tongbai Mountain and Dabie Mountain area, analyze epidemic factors and put forward effective control measures. Methods The epidemic situation, meteorological data and survey data of malaria in all counties (cities) in Tongbai Mountain and Dabie Mountain from 1990 to 2007 were collected to analyze the prevailing situation and factors. Results The endemic area of malaria in Tongbai Mountain was malaria recovery interval of 8 to 9 years, with the highest prevalence rate of 28.35 / 100 000 in the Tongbai mountainous area. The lowest incidence of non-endemic year was 6.55 / 100 000. The accumulation of infectious origin was The main cause of local malaria epidemic, the prevalence of malaria incidence and temperature, rainfall is closely related to its peak in the rainfall after 1 month; low stable malaria endemic areas in the Dabie Mountains, the annual incidence of less than 1/1000000, continuous No recovery for more than 10 years. Conclusion The malaria incidence in Tongbai Mountain and Dabie Mountain area has now dropped below 1 / 10,000, most of which are in residual cases only. Controlling the source of infection is an effective measure to curb malaria recovery.