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目的通过对南通市某地主要传染病疫情数据的分析,探讨不同分析法对传染病季节分布研究的意义。方法用集中度和圆分布法,对2005—2013年某地主要传染病发病情况进行分析。结果两种方法研究结果基本一致:麻疹和痢疾有较强的季节性,发病高峰分别为3月中旬至6月下旬、4月中旬至8月下旬;戊肝和猩红热有一定的季节性,发病高峰分别为1月中旬至6月中旬、2月上旬至7月上旬;其他传染病季节性不明显。但对多峰分布难以发现。结论两种方法可分析单峰分布传染病的季节特征,有助于及早部署落实防控措施,提高防控成效。
Objective To analyze the epidemiological data of major infectious diseases in a certain place in Nantong City, and to explore the significance of different analytical methods in the study of seasonal distribution of infectious diseases. Methods The concentration and circular distribution methods were used to analyze the incidence of major infectious diseases in a certain place in 2005-2013. Results The results of the two methods were basically the same: measles and dysentery had a strong seasonal peak incidence from mid-March to late June, mid-April to late August; hepatitis E and scarlet fever have a certain seasonal onset Peaks were from mid-January to mid-June, early February and early July, respectively; other seasonal infectious diseases were not obvious. But difficult to find multi-peak distribution. Conclusions The two methods can analyze seasonal characteristics of unimodal distribution of infectious diseases, and help to implement early prevention and control measures to improve the effectiveness of prevention and control.