PMID: 1200023Nov 1, 1975Paper

Toxoplasma gondii and Coxiella burneti antibodies among Brazilian slaughterhouse employees

American Journal of Epidemiology
H P RiemannC E Franti

Abstract

Previous studies have indicated toxoplasmosis and Q fever are potential hazards to persons who handle raw meat or who work in slaughterhouses. The prevalence of antibodies to T. gondii and C. burneti was studied among 144 employees of an abattoir in Belo Horizonte, Brazil, to determine what environmental factors may be associated with the occurrence of these agents among persons who handle meat but who have not reported having toxoplasmosis or Q fever. Seventy-two per cent of the 144 employees were serologically positive to T. gondii and 29% were serologically positive for C. burneti. The highest prevalence of antibodies to T. gondii (92%) occurred among meat inspectors, who also had a geometric mean titer (GMT) of 1400. The prevalence levels of antibodies to T. gondii for employees who handled meat in the deboning and sausage departments were 80% and 79% with GMT's of 412 and 340, respectively. These levels exceeded the antibody prevalences of 60% and 65% and GMT's of 168 and 120 for employees who worked with cattle in the corrals or who worked on the killing floor, respectively. Conversely, the prevalence of antibodies to C. burneti was highest (40%) among employees working in the corrals and who were exposed to dust and hide...Continue Reading

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