Spatial analysis of dengue fever in Guangdong Province, China, 2001-2006.
Guangdong Province is the area most seriously affected by dengue fever in China. In this study, we describe the spatial distribution of dengue fever in Guangdong Province from 2001 to 2006 with the objective of informing priority areas for public health planning and resource allocation. Annualized incidence at a county level was calculated and mapped to show crude incidence, excess hazard, and spatial smoothed incidence. Geographic information system-based spatial scan statistics was conducted to detect the spatial distribution pattern of dengue fever incidence at the county level. Spatial scan cluster analyses suggested that counties around Guangzhou City and Chaoshan Region were at increased risk for dengue fever (P < .01). Some spatial clusters of dengue fever were found in Guangdong Province, which allowed intervention measures to be targeted for maximum effect.
1Southern Medical University, Guangzhou, China.
Chunxiao
C
Liu
Qiyong
Q
Liu
Hualiang
H
Lin
Benqiang
B
Xin
Jun
J
Nie
D002681:China / Q000453:epidemiology; D016000:Cluster Analysis; D003715:Dengue / Q000453:epidemiology*; D018563:Disease Notification / Q000706:statistics & numerical data*; D040362:Geographic Information Systems; D062305:Geographic Mapping; D006801:Humans; D062206:Spatial Analysis
China; Guangdong; dengue fever; geographic information system; spatial analysis