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Volume 13, Number 3—March 2007

Letter

Toxoplasma gondii, Brazil

Suggested citation for this article

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 percent for infection to be eating rare meat (0.26%) and having contact with a cat <6 months of age (0.19%) (3). Drinking bottled water was more significantly protective for the group that did not consume undercooked or raw meat (odds ratio 0.06, 95% confidence interval 0.006–0.560, p = 0.008). We think that drinking water–related factors could explain up to 50% of toxoplasmosis infections in our region.

Jorge Gomez-Marin*Comments to Author 
Author affiliation: *Universidad del Quindio, Armenia, Quindio, Colombia

References

  1. Jones JL, Muccioli C, Belfort RJr, Holland GN, Roberts JM, Silveira C. Recently acquired Toxoplasma gondii infection, Brazil.Emerg Infect Dis. 2006;12:5826.PubMed
  2. Juliao O, Corredor A, Moreno GS. National study of health: toxoplasmosis in Colombia, Ministry of Health [in Spanish]. Bogota: National Institute of Health Press; 1988.
  3. Lopez-Castillo CA, Diaz-Ramirez J, Gomez-Marín JE. Risk factors for Toxoplasma gondii infection in pregnant women in Armenia, Colombia[in Spanish]. Rev Salud Publica (Bogota). 2005;7:18090. DOIPubMed

Suggested citation for this article: Gomez-Marin J. Toxoplasma gondii, Brazil [letter]. Emerg Infect Dis [serial on the Internet]. 2007 Mar [date cited]. Available from http://wwwnc.cdc.gov/eid/article/13/3/06-0599.htm

DOI: 10.3201/eid1303.060599

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Table of Contents – Volume 13, Number 3—March 2007

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Jorge Gomez-Marin, Universidad del Quindio, Centro de Investigaciones Biomedicas, Av Bolivar 12N Armenia 00, Quindio, Colombia;





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