【Objective】 To understand the epidemic features of chickenpox in China from 2007-2010 by using the geographical epidemiology methods. 【Methods】 Using the surveillance data from national internet-based information system of infectious diseases in China Disease Prevention and Control Center, the analysis of the status of chickenpox epidemic in China from 2007 to 2010 was conducted by GIS software(ArcGIS) and statistical software(Stata). 【Results】 the national average incidence of chickenpox was 20.6, 23.8, 24.1, and 24.3 per 100 000 populations in 2007-2010 respectively. Using the cases/incidence of chickenpox in 2010 as an example, there were 162 counties which incidence of chickenpox was higher than 100/100 000. Most of them were located in Tebit, Xinjiang, Sichuan, Liaoning, Guangdong, Gansu provinces and accounted for 52% of 162 counties. From 2007 to 2010, the incidence of chickenpox increased yearly. 【Conclusions】 The risk factors of chickenpox epidemic are different among the provinces. The prevention strategies should be developed based on the local situation.
Key words
chickenpox /
geographic epidemiology /
the incidence of chickenpox
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