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目的:探讨轮状病毒感染与天气因素之间的关系,以指导临床采取合理的防治策略。方法:采用免疫胶体金法对1155例腹泻患儿进行轮状病毒检测;收集2005年到2007年的天气资料;分别分析轮状病毒阳性患儿人次与温度、湿度之间变化的规律。结果:501份标本轮状病毒阳性,6m-24m年龄段婴幼儿阳性检出率最高。每年秋季(第33周时)随着周平均气温缓慢下降患儿人次开始逐渐上升,到第41周患儿人数达到最高峰,之后回落,达高峰前几周湿度也略有下降,表明天气因素与轮状病毒的传播有密切的关系。结论:秋季周平均气温、相对湿度是影响轮状病毒传播流行的自然因素。
Objective: To explore the relationship between rotavirus infection and weather factors to guide clinical take reasonable control strategies. Methods: Rotavirus was detected in 1155 children with diarrhea by immune colloidal gold assay. The weather data from 2005 to 2007 were collected. The changes of temperature and humidity between rotavirus positive children were analyzed respectively. Results: 501 samples of rotavirus positive, 6m-24m age-old infant positive detection rate was highest. Every autumn (at the 33rd week), the number of children started to increase gradually with the average weekly temperature drop. The number of children reached its peak in the 41st week and then dropped back to a slight decrease in the first few weeks of the peak, indicating that the weather factor And rotavirus transmission are closely related. Conclusion: The mean autumn temperature and relative humidity are the natural factors affecting the transmission of rotavirus.