Analysis of malaria epidemic in Xuzhou City from 2005 to 2013
Objective To understand the epidemic characteristics,pattern and trend of malaria in Xuzhou City,in order to provide a basis for the development of effective control measures.Methods The epidemiological data were collected from the case questionnaire of malaria and the the Internet Reporting System from 2005 to 2013 in Xuzhou City,then analyzed by the descriptive epidemiological analysis.Results A total of 968 malaria cases was reported from 2005 to 2013.There was no epidemic outbreak.The local cases of infection were 75.21%(728/968),the Overseas imported cases were 7.54% (73/968),while the domestic imported cases were 17.25% (167/968).There was no local case since 2012 to 2013.Comparing the case classification between 2005 to 2010 and 2011 to 2013,the difference was statistically significant (x2=674.37,P<0.05).Conclusion There was no local malaria reported since 2012.The source of malaria infection transformed from local infection into out infection of local population,so it is essential to strengthen the management and monitoring on overseas migrant workers and mobile population for reducing the risk of secondary spread of malaria.