Profil séro-épidémiologique de la toxoplasmose au nord de la Tunisie

Abstract : Toxoplasma antibodies prevalence was studied in the north of Tunisia where a mild climate prevails. Two groups of individuals were investigated: 857 living in rural area and 564 living in urb town. Sera were analysed by ELISA and indirect immunofluorescence. The overall prevalence was 58.4%. It roses from 24.5% at ten years to 52.1% at 20 years of age. A maximum level, around 70%, was reached by about 30 years. The risk of acute infection after this age seemed low as judging by the proportion of high antibodies titers observed in this group (14.2% before 30 years vs 3.7% after). A significantly higher prevalence was detected in urban residents (67% vs 52.8%). In this group, the rate of seroconversion seems the highest between ten and 20 years of age and the majority of women are infected before reaching childbearing age. In the rural area, the seropositivity is lower between ten-20 years and many women at childbearing age still susceptible to toxoplasmosis. The risk of acute infection seems higher in the youngest ones as showed by the proportion of high antibodies titers observed in the 18-30 age group (9.2%) compared to the one observed after 30 years (1.9%).
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Submitted on : Tuesday, February 19, 2019 - 3:19:19 PM
Last modification on : Tuesday, June 18, 2019 - 1:03:08 AM

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A. Bouratbine, E. Siala, M.K. Chahed, K. Aoun, R. Ben Ismail. Profil séro-épidémiologique de la toxoplasmose au nord de la Tunisie. Parasite, EDP Sciences, 2001, 8 (1), pp.61-66. ⟨10.1051/parasite/2001081061⟩. ⟨pasteur-02025118⟩

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