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Article: Toxoplasma gondii, Brazil.(LETTERS)(Letter to the editor)
- Article from:
- Emerging Infectious Diseases
- Article date:
- March 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 U.S. National Center for Infectious Diseases. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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To the Editor: Recently, Jones et al. reported that past pregnancies increased risk for recent Toxoplasma gondii infection in Brazil (1). They did not, however, control for age. Previous seroepidemiologic studies have shown that age is a main confounding variable in analysis of risk factors for toxoplasmosis (2). Age can explain why mothers with more children are at higher risk for toxoplasmosis; the longer persons live in areas with high toxoplasmosis prevalence, the higher their risk for infection.
Also not explored were drinking water-related factors. Our recent study of pregnant women in Quindio, Colombia, found factors that explained attributable risk ...