doi:

DOI: 10.3724/SP.J.1047.2010.00380

Journal of Geo-information Science (地球信息科学学报) 2010/12:3 PP.380-384

Spatial and Temporal Distribution Characteristics of Hand-Foot-Mouth Disease in China


Abstract:
Hand-foot-mouth Disease (HFMD) is a common infectious disease which causes by a variety of enteric viruses. In recent years,outbreaks of HFMD have been repeatedly and the diseased population has obviously increased in China,these caused our government and society’s widespread attention. For the present,most of the HFMD studies focus on medical field,and research on spatial and temporal distribution characteristics at the macro-scale is rare. Taking into account of this situation,this paper based on medical geography theories,with geographic information systems (GIS) as the analysis tool,studied HFMD cases (2008-2009) from the China Disease Prevention and Control Information System. The research process is as follows: firstly,edits statistical data,and calculates the number of reported cases,the average morbidity,the mortality rate and so on in unit time by province; and then inducts it into database and associates with the Administrative Map of China in shapefile format in order for spatial visualization and spatial analysis. The research obtains following conclusions: (1)the serious area of HFMD epidemic situation in 2008 concentrated in three regions: the three northern provinces/city (Hebei,Beijing and Shanxi),the three southern provinces/autonomous region(Guangdong,Guangxi and Hainan)as well as the eastern provinces/city (Zhejiang,Shanghai and Anhui); (2) the number of reported cases,morbidity and mortality have remarkable differences between various provinces: the number of reported cases concentrated in eastern and southern of China,and the Qinghai-Tibet Region and the Northwestern Region are few; (3) HFMD in China is ahead of time for one month compared with conventional epidemic peak (April to July); (4) in most provinces,the number of reported cases increased sharply in April,and started to reduce significantly in August; (5) the distribution of high incidence moves obviously to the north between May and June. The results help to provide a scientific basis for prevention and control of HFMD outbreak and epidemic,also help for further studies focusing on the correlation of HFMD and geographical factors.

Key words:spatial analysis,hand-foot-mouth disease,distribution characteristics

ReleaseDate:2014-07-24 00:06:36



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