Prevalência da infecção pelo Toxoplasma gondii em animais domésticos, silvestres e grupamentos humanos da Amazônia
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Serological examination for Toxoplasma gondii in human blood samples and in blood samples from ten different species of animals obtained in Manaus, State of Amazonas-Brazil, are compared with results obtained from similar examinations of blood from humans living in other areas of the Amazon basin.Abstract:
Serological examination for Toxoplasma gondii in human blood samples and in blood samples from ten different species of animals obtained in Manaus, State of Amazonas-Brazil, are compared with results obtained from similar examinations of blood from humans living in other areas of the Amazon basin. The domestic cat (Felis catus) showed the highest levels of antibody for Toxoplasma gondii, whereas the domestic chicken (Gallus domesticus) and duck (Cairina sp) the lowest. The other animals showed similar intermediate levels of antibody to this protozoa. The authors discuss the results and several aspects of the involvement in epidemiology of toxoplasmosis and call attention to some transmission mechanisms not yet elucidated.read more
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Journal ArticleDOI
Genetic diversity, clonality and sexuality in Toxoplasma gondii *
Daniel Ajzenberg,Anne-Laure Bañuls,Chunlei Su,Aurélien Dumètre,Magalie Demar,Bernard Carme,Marie Laure Dardé +6 more
TL;DR: The genetic diversity indices, the molecular analysis of microsatellite genotypes and the constructed phylogram considered together suggest that the global T. gondii population is highly diversified and not characteristic of a clonal organism.
Book ChapterDOI
The prevalence and source of Toxoplasma infection in the environment.
M.H. Jackson,W.M. Hutchison +1 more
TL;DR: There are three developmental stages of Toxopiasma: the proliferative form, the tissue cyst, and the stages consisting of trophozoite, schizont, and gametocytes, which produce the oocyst.
Serological screening and toxoplasmosis exposure factors among pregnant women in South of Brazil Triagem sorológica e fatores de risco para toxoplasmose em gestantes no Sul do Brasil
Silvia Maria Spalding,Maria Regina Reis Amendoeira,Carlos Henrique Klein,Luis Carlos Ribeiro +3 more
TL;DR: Serological screening and evaluation of exposure factors for Toxoplasma gondii transmission were conducted in 2126 pregnant women from southern Brazil and contact with soil was found to be the major factor for infection.
Journal ArticleDOI
Serological screening and toxoplasmosis exposure factors among pregnant women in South of Brazil.
Silvia Maria Spalding,Maria Regina Reis Amendoeira,Carlos Henrique Klein,Luis Carlos Ribeiro +3 more
TL;DR: In this article, a serological screening and evaluation of exposure factors for Toxoplasma gondii transmission were conducted in 2126 pregnant women from southern Brazil, and specific antibodies were presented by 74.5% of the pregnant women evaluated.
Journal ArticleDOI
Seroprevalence of infection with Toxoplasma gondii in indigenous Brazilian populations.
Cleide Aparecida Queiroz Sobral,Maria Regina Reis Amendoeira,Antonio Teva,Balmukund N. Patel,Carlos Henrique Klein +4 more
TL;DR: Differential contact with soil-harboring oocysts from wild felines may be responsible for the various seroprevalences in the different tribes.