The association of infection with Toxoplasma gondii and occupational exposure to animals has been scantly determined. We performed a case-control study with 200 subjects from Durango Province, Mexico, occupationally exposed to animals and 200 age- and gender-matched subjects without this occupation. Sera from all participants were analyzed for anti-T. gondii IgG and IgM antibodies using enzyme-linked immunoassays. The association of seroprevalence with sociodemographic, work, clinical, and behavioral characteristics in cases was determined.Cases and controls had similar frequencies of anti-T. gondii IgG antibodies (12/200: 6.0% and 11/200: 5.5%, respectively) (OR = 3.0; 95% CI: 0.12–73.64; P = 1.0). The frequency of sera with high (>150 IU/ml) levels of anti-T. gondii IgG antibodies was comparable among cases and controls (P = 0.61). Seroprevalence of anti-T. gondii IgM antibodies was similar in cases (4, 2.0%) than in controls (4, 2.0%) (P = 1.0). Multivariate analysis showed that seropositivity was associated with eating while working (OR = 7.14; 95% CI: 1.91–26.72; P = 0.003) and consumption of duck meat (OR = 5.43; 95% CI: 1.43–20.54; P = 0.01).No association between seropositivity to T. gondii and occupational exposure to animals was found. However, risk factors for infection found should be taken into account to reduce the exposure to T. gondii.
Montoya JG, Liesenfeld O: Toxoplasmosis. Lancet 363, 1965–1976 (2004)
Liesenfeld O , 'Toxoplasmosis ' (2004 ) 363 Lancet : 1965 -1976.
Dubey JP (2010): Toxoplasmosis of animals and humans, 2nd ed. CRC Press, Boca Raton, Florida
Dubey JP , '', in Toxoplasmosis of animals and humans , (2010 ) -.
Hill DE, Dubey JP: Toxoplasma gondii prevalence in farm animals in the United States. Int J Parasitol 43, 107–113 (2013)
Dubey JP , 'Toxoplasma gondii prevalence in farm animals in the United States ' (2013 ) 43 Int J Parasitol : 107 -113.
Maenz M, Schlüter D, Liesenfeld O, Schares G, Gross U, Pleyer U: Ocular toxoplasmosis past, present and new aspects of an old disease. Prog Retin Eye Res 39, 77–106 (2014)
Pleyer U , 'Ocular toxoplasmosis past, present and new aspects of an old disease ' (2014 ) 39 Prog Retin Eye Res : 77 -106.
Munoz M, Liesenfeld O, Heimesaat MM: Immunology of Toxoplasma gondii. Immunol Rev 240, 269–285 (2011)
Heimesaat MM , 'Immunology of Toxoplasma gondii ' (2011 ) 240 Immunol Rev : 269 -285.
Torgerson PR, Mastroiacovo P: The global burden of congenital toxoplasmosis: a systematic review. Bull World Health Organ 91, 501–508 (2013)
Mastroiacovo P , 'The global burden of congenital toxoplasmosis: a systematic review ' (2013 ) 91 Bull World Health Organ : 501 -508.
Kravetz J: Congenital toxoplasmosis. Clin Evid (Online), 2013 (2013)
Kravetz J , '', in Clin Evid (Online) , (2013 ) -.
Alvarado-Esquivel C, Pacheco-Vega SJ, Hernández-Tinoco J, Centeno-Tinoco MM, Beristain-García I, Sánchez-Anguiano LF, Liesenfeld O, Rábago-Sánchez E, Berumen-Segovia LO: Miscarriage history and Toxoplasma gondii infection: a cross-sectional study in women in Durango City, Mexico. Eur J Microbiol Immunol (Bp) 4, 117–122 (2014)
Berumen-Segovia LO , 'Miscarriage history and Toxoplasma gondii infection: a cross-sectional study in women in Durango City, Mexico ' (2014 ) 4 Eur J Microbiol Immunol (Bp) : 117 -122.
Torrey EF, Yolken RH: Toxoplasma oocysts as a public health problem. Trends Parasitol 29, 380–384 (2013)
Yolken RH , 'Toxoplasma oocysts as a public health problem ' (2013 ) 29 Trends Parasitol : 380 -384.
Shuhaiber S, Koren G, Boskovic R, Einarson TR, Soldin OP, Einarson A: Seroprevalence of Toxoplasma gondii infection among veterinary staff in Ontario, Canada (2002): implications for teratogenic risk. BMC Infect Dis 3, 8 (2003)
Einarson A , 'Seroprevalence of Toxoplasma gondii infection among veterinary staff in Ontario, Canada (2002): implications for teratogenic risk ' (2003 ) 3 BMC Infect Dis : 8 -.
Sang-Eun L, Hong SH, Jeong YI, Lee JH, Yoo SJ, Lim HS, Lee WJ, Cho SH: Cross-sectional analysis of the seropositivity and risk factors of Toxoplasma gondii infection among veterinarians, in relation to their public professional activities. Vet Parasitol 203, 29–34 (2014)
Cho SH , 'Cross-sectional analysis of the seropositivity and risk factors of Toxoplasma gondii infection among veterinarians, in relation to their public professional activities ' (2014 ) 203 Vet Parasitol : 29 -34.
Weigel RM, Dubey JP, Dyer D, Siegel AM: Risk factors for infection with Toxoplasma gondii for residents and workers on swine farms in Illinois. Am J Trop Med Hyg 60, 793–798 (1999)
Siegel AM , 'Risk factors for infection with Toxoplasma gondii for residents and workers on swine farms in Illinois ' (1999 ) 60 Am J Trop Med Hyg : 793 -798.
Alvarado-Esquivel C, Estrada-Martínez S, Pizarro-Villalobos H, Arce-Quiñones M, Liesenfeld O, Dubey JP: Seroepidemiology of Toxoplasma gondii infection in general population in a northern Mexican city. J Parasitol 97, 40–43 (2011)
Dubey JP , 'Seroepidemiology of Toxoplasma gondii infection in general population in a northern Mexican city ' (2011 ) 97 J Parasitol : 40 -43.
Alvarado-Esquivel C, Liesenfeld O, Márquez-Conde JA, Cisneros-Camacho A, Estrada-Martínez S, Martínez-García SA, González-Herrera A, García-Corral N: Seroepidemiology of infection with Toxoplasma gondii in waste pickers and waste workers in Durango, Mexico. Zoonoses Public Health 55, 306–312 (2008)
García-Corral N , 'Seroepidemiology of infection with Toxoplasma gondii in waste pickers and waste workers in Durango, Mexico ' (2008 ) 55 Zoonoses Public Health : 306 -312.
Alvarado-Esquivel C, Hernández-Tinoco J, Sánchez-Anguiano LF, Ramos-Nevárez A, Cerrillo-Soto SM, Sáenz-Soto L, Liesenfeld O: High seroprevalence of Toxoplasma gondii infection in inmates: A case control study in Durango City, Mexico. Eur J Microbiol Immunol (Bp) 4, 76–82 (2014)
Liesenfeld O , 'High seroprevalence of Toxoplasma gondii infection in inmates: A case control study in Durango City, Mexico ' (2014 ) 4 Eur J Microbiol Immunol (Bp) : 76 -82.
Alvarado-Esquivel C, Liesenfeld O, Estrada-Martínez S, Félix-Huerta J: Toxoplasma gondii infection in workers occupationally exposed to raw meat. Occup Med (Lond) 61, 265–269 (2011)
Félix-Huerta J , 'Toxoplasma gondii infection in workers occupationally exposed to raw meat ' (2011 ) 61 Occup Med (Lond) : 265 -269.
DiGiacomo RF, Harris NV, Huber NL, Cooney MK: Animal exposures and antibodies to Toxoplasma gondii in a university population. Am J Epidemiol 131, 729–733 (1990)
Cooney MK , 'Animal exposures and antibodies to Toxoplasma gondii in a university population ' (1990 ) 131 Am J Epidemiol : 729 -733.
Forsyth MB, Morris AJ, Sinclair DA, Pritchard CP: Investigation of zoonotic infections among Auckland Zoo staff: 1991–2010. Zoonoses Public Health 59, 561–567 (2012)
Pritchard CP , 'Investigation of zoonotic infections among Auckland Zoo staff: 1991–2010 ' (2012 ) 59 Zoonoses Public Health : 561 -567.
Swai ES, Schoonman L: Seroprevalence of Toxoplasma gondii infection amongst residents of Tanga district in north-east Tanzania. Tanzan J Health Res 11, 205–209 (2009)
Schoonman L , 'Seroprevalence of Toxoplasma gondii infection amongst residents of Tanga district in north-east Tanzania ' (2009 ) 11 Tanzan J Health Res : 205 -209.
Alvarado-Esquivel C, Liesenfeld O, Herrera-Flores RG, Ramírez-Sánchez BE, González-Herrera A, Martínez-García SA, Dubey JP: Seroprevalence of Toxoplasma gondii antibodies in cats from Durango City, Mexico. J Parasitol 93, 1214–1216 (2007)
Dubey JP , 'Seroprevalence of Toxoplasma gondii antibodies in cats from Durango City, Mexico ' (2007 ) 93 J Parasitol : 1214 -1216.
Dubey JP, Alvarado-Esquivel C, Liesenfeld O, Herrera-Flores RG, Ramírez-Sánchez BE, González-Herrera A, Martínez-García SA, Bandini LA, Kwok OC: Neospora caninum and Toxoplasma gondii antibodies in dogs from Durango City, Mexico. J Parasitol 93, 1033–1035 (2007)
Kwok OC , 'Neospora caninum and Toxoplasma gondii antibodies in dogs from Durango City, Mexico ' (2007 ) 93 J Parasitol : 1033 -1035.
Alvarado-Esquivel C, García-Machado C, Vitela-Corrales J, Villena I, Dubey JP: Seroprevalence of Toxoplasma gondii infection in domestic goats in Durango State, Mexico. Vet Parasitol 183, 43–46 (2011)
Dubey JP , 'Seroprevalence of Toxoplasma gondii infection in domestic goats in Durango State, Mexico ' (2011 ) 183 Vet Parasitol : 43 -46.
Alvarado-Esquivel C, Rajendran C, Ferreira LR, Kwok OC, Choudhary S, Alvarado-Esquivel D, Rodríguez-Peña S, Villena I, Dubey JP: Prevalence of Toxoplasma gondii infection in wild birds in Durango, Mexico. J Parasitol 97, 809–812 (2011)
Dubey JP , 'Prevalence of Toxoplasma gondii infection in wild birds in Durango, Mexico ' (2011 ) 97 J Parasitol : 809 -812.
Sampasa-Kanyinga H, Lévesque B, Anassour-Laouan-Sidi E, Côté S, Serhir B, Ward BJ, Libman MD, Drebot MA, Ndao M, Dewailly E: Zoonotic infections in native communities of James Bay, Canada. Vector Borne Zoonotic Dis 12, 473–481 (2012)
Dewailly E , 'Zoonotic infections in native communities of James Bay, Canada ' (2012 ) 12 Vector Borne Zoonotic Dis : 473 -481.