Ascariasis, Amebiasis and Giardiasis in Mexican children: distribution and geographical, environmental and socioeconomic risk factors

Gerardo A. Zavala*, Eline van Dulm, Colleen M. Doak, Olga P. García, Katja Polman, Maiza Campos-Ponce

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The aim of this study is to provide an overview of the geographical distribution of Ascariasis, Amebiasis and Giardiasis, and to identify specific geographical, socioeconomic and environmental factors that are associated with the incidence of these infections in Mexican children. We made use of publicly available data that was reported by federal organizations in Mexico for the year 2010. The contribution of geographical, socioeconomic and environmental factors to the incidence of infections was assessed by a multivariable regression model using a backwards selection procedure. A. lumbricoides incidence was associated with mean minimum temperature of the state, the state-wide rate of households without access to piped water and toilet, explaining 77% of the incidence of A. lumbricoides infections. Mean minimum precipitation in the state, the rate of households without access to a toilet, piped water and sewage system best explained (73%) the incidence of E. histolytica infections. G. lamblia infections were only explained by the latitude of the state (11%). In addition to the well-known socioeconomic factors contributing to the incidence of A. lumbricoides and E. histolytica we found that temperature and precipitation were associated with higher risk of infection.

Original languageEnglish
Pages (from-to)829-836
Number of pages8
JournalJournal of Parasitic Diseases
Volume44
Issue number4
DOIs
Publication statusPublished - 1 Dec 2020

Funding

The study was partially funded by Consejo Nacional de Ciencia y Tecnologia Mexico (CONACyT) PhD Grant: 218666.

FundersFunder number
Consejo Nacional de Ciencia y Tecnologia Mexico
Consejo Nacional de Ciencia y Tecnología218666

    Keywords

    • Amebiasis
    • Ascariasis
    • Childen
    • Giardiasis
    • Intestinal parasites
    • Mexico

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