Seroprevalence of anti-Toxoplasma gondii antibodies among members of the Terena ethnic group, Mato Grosso do Sul, Brazil

Celso Borguezan; C Fabiano Guerra Sanches; José Tadeu; Madeira de Oliveira; Paulo Roberto Blanco Moreira Norberg; Miguel Angel Aguillar Uriarte; C Antonio Neres Norberg

2014, Number 1

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Rev Cubana Med Trop 2014; 66 (1)

**Seroprevalence of anti-Toxoplasma gondii antibodies among members of the Terena ethnic group, Mato Grosso do Sul, Brazil**

Borguezan C, Guerra SCF, Tadeu J, de Oliveira M, Moreira NPRB, Aguillar UMA, Neres NCA

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Language: Portugués
References: 23
Page: 48-57
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ABSTRACT

Objective: by means of seroepidemiological interviews, determine the presence of anti-Toxoplasma gondii antibodies among the native Terena population, and identify the probable transmission mechanisms of Toxoplasma gondii in that community.
Methods: venous blood was collected from 256 asymptomatic community members. The blood serum obtained was frozen to -20 °C until the tests were carried out. Indirect immunofluorescence serology was performed and positive sera were confirmed by ELISA (enzyme-linked immunosorbent assay).
Results: of the 256 subjects studied, 67 (26.17 %) had anti-Toxoplasma gondii IgG antibodies, with titers equal to of greater than 1:16. No positive results were obtained for IgM in the samples analyzed.
Conclusions: the seroprevalence of anti-Toxoplasma gondii antibodies among members of the Terena ethnic group indicates that this population had a previous contact with the parasite. The risk factor identified as the probable cause of transmission was the presence of cats in households. Seropositivity was highest in the 21-25 age group.

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