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Can slide positivity rates predict malaria transmission?

DOI: 10.1186/1475-2875-11-117

Keywords: Malaria transmission, Slide positivity rates, Malaria elimination, International border areas, China

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Data on annual malaria cases, SPR and socio-economic factors for the period of 1993 to 2008 were obtained from the Center for Disease Control and Prevention (CDC) and the Bureau of Statistics, Mengla, China. Multiple linear regression models were conducted to evaluate the relationship between socio-ecologic factors and malaria incidence.The results show that SPR was significantly positively associated with the malaria incidence rates. The SPR (β?=?1.244, p?=?0.000) alone and combination (SPR, β?=?1.326, p?<?0.001) with other predictors can explain about 85% and 95% of variation in malaria transmission, respectively. Every 1% increase in SPR corresponded to an increase of 1.76/100,000 in malaria incidence rates.SPR is a strong predictor of malaria transmission, and can be used to improve the planning and implementation of malaria elimination programmes in Mengla and other similar locations. SPR might also be a useful indicator of malaria early warning systems in China.


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