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The dengue fever in four municipalities of the Colima state, Mexico, from 2008 to 2015 and its relation with some climatological normals

Research paper by Erick J. Lopez-Sanchez, Norma Y. Sanchez-Torres, Carlos Trenado, Juan M. Romero

Indexed on: 26 Jan '16Published on: 26 Jan '16Published in: Quantitative Biology - Populations and Evolution



Abstract

Although dengue fever is an ancient disease that should have been eradicated since time ago, in Mexico as well as in other regions worldwide the cases of classic and hemorrhagic dengue continue to be reported presently. Since 2002 (and before), a worrying outbreak of dengue was observed in several states of Mexico, notably the case of Colima for which a "descacharrizacion" campaign was implemented in 2009 to encourage the population to get rid of old objects accumulated in their backyards and outdoors so as to prevent proliferation of mosquitoes Aedes Aegypti. To understand the effect of such campaign, we studied the incidence of dengue in four municipalities of the mentioned state, namely Manzanillo, Armeria, Tecoman and Ixtlahuacan. In particular, we observed that the incidence of dengue in these four municipalities had a strong relationship with climatological normals, specifically precipitation and minimum temperature. Furthermore, the results showed that the mentioned campaign helped prevent mosquito eggs incubation and their development, thus leading to reduction of the incidence of dengue in the human population.