累积和法在疟疾监测中的应用

The application of the cumulative-sum method in malaria surveillance

目的用累积和法对蒙城县疟疾流行情况进行监测。方法用WHO推荐的累积和法计算预警指标并描述蒙城县2005年和2006年疟疾流行趋势。结果该县疟疾病例2005年的6～10月和2006年的5～11月超过预警指标(c-sum值为20.88～155.60)。与2000～2004年相比,蒙城县2005年和2006年疟疾流行均呈上升趋势,2006年比2005年上升趋势更加显著。结论累积和法简单、直观,适合应用于疟疾监测。

Objective To monitor the malaria epidemic situation of Mengcheng County using the cumulative-sum method. Methods The early warning index was estimated and the malaria epidemic tendency was described in 2005 and 2006 using the WHO recommended cumulative-sum method. Results From June to October in 2005 and from May to November in 2006, the early warning index （the c-sum values are 20.88--155. 60） were exceeded. Compared with the malaria epidemic situation in 2000--2004, the malaria epidemic was in an upward tendency in the Mengcheng County in 2005 and 2006. The malaria epidemic situation was worse in 2006 than in 2005. Conclusion The cumulative-sum method is simple and intuitional for malaria surveillance.