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Presence of anti-Toxoplasma antibodies in humans and their cats in the urban zone of Guadalajara

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Author(s): Galván Ramírez María de la Luz | Sánchez Vargas Guillermo | Vielma Sandoval Marcos | Soto Mancilla Juan Luis

Journal: Revista da Sociedade Brasileira de Medicina Tropical
ISSN 0037-8682

Volume: 32;
Issue: 5;
Start page: 483;
Date: 1999;
Original page

Keywords: Toxoplasmosis | Antibodies | Humans | Cats | Elisa

ABSTRACT
Cats are the definitive hosts of Toxoplasma gondii. Infected cats excrete oocysts in their feces, infecting humans and other animals. The objective of the present study was to determine the presence of anti-Toxoplasma antibodies in cat owners and their pets, and determine if there was a relationship between Toxoplasma infection and humans who live with infected cats. IgG anti-Toxoplasma antibodies in sera of 59 cat owners were determined by enzyme-linked immunosorbent assay (ELISA), in 24 sera from their cats, IgG, IgM, and IgA antibodies were found using Burney's ELISA. Thirty-eight (64%) of 59 cat owners were positive to IgG anti-Toxoplasma. Seropositivity for cats was 70.8% IgG, 8.3% IgM, and 62.5% IgA. Cohabitation with cats infected by T. gondii, feeding with leftovers or raw viscera, and lack of control over how their feces were handled are risk factors conducive for humans to become infected by T. gondii.
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