VETINDEX

Periódicos Brasileiros em Medicina Veterinária e Zootecnia

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Ocurrence of Toxocara canis in students of veterinary and graphic design in a Mexican university

aelRafaelRafaelRomero, CamiloEduardo Mendoza, GermánPonce, MarthaPortal, AzucenaGonzález, LauraGuiliana Bautista, Linda

Background: Human toxocariosis is a parasitic zoonosis caused by larval forms of the genus Toxocara. The eggs hatch after being ingested, penetrate the intestinal wall and migrate via the blood stream through to the liver, hence spread to other organs. Erratic larval migration by the different soft tissues in humans, generates four syndromes, Visceral Larva Migrans, Ocular Larva Migrans, neurotoxocariosis and covert toxocariosis. A seroprevalence study of Toxocara canis among students from Veterinary Medicine and Graphic Design in Mexico City was conducted, as the Veterinary student has regular contact with animals was compared with students who have no contact with animals in their study program.Materials, Methods & Results: In both groups of students blood samples were collected and centrifuged to obtain the serum was evaluated by Toxocara serology ELISA (enzyme-linked immunosorbent assay). All participants completed a questionnaire supplying personal data and specifics regarding dog ownership and hygiene practices. Serology data and results from the questionnaire were analyzed using the Fisher´s exact test, Chi-square and odds ratio (OR) test. The frequency of Toxocara infection tended to be greater (P = 0.11) in veterinary students than in those from graphic design (13 % and 7.0 % respectively). Some of the risk factors that were considered were: do not wash your hands

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