Abstract
Toxoplasma gondii is the agent of a protozoan zoonotic disease of public health importance,toxoplasmosis, which may have serious consequences on the infected species. Cats are definitivehosts of the protozoan, and once infected, shed oocysts that sporulate in the environment and maybecome a source of infection for humans. The results reported by different authors about contactwith pet cats as a risk factor for human infection are controversial. In this study, serum samples from108 individuals who own or owned cats, and from 110 individuals who do not like cats and neverowned one, were analyzed for the presence of IgG antibodies to Toxoplasma gondii through IndirectImmunofluorescence (IFI). An epidemiological questionnaire was also applied. The seroprevalencewas 39.8% for the 108 individuals who owned cats and 26.4% for the 110 individuals who neverowned cats. The analysis of risk factors showed significant association between seropositivity andthe variables: aged over 31 years (p=0.0000), contact with cats (p=0.0143), and handling of rawmeat (p=0.0290). Our findings indicate that even in a population with a high education level, contactwith cats may double the chances of infection with T. gondii, when the animals are not kept indoorsand under adequate sanitary conditions.
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