Abstract
Toxoplasmosis caused by Toxoplasma gondii is a protozoal zoonosis with high sanitary risk for pregnant women and immunocompromised people. Felids, including domestic cats, are the only definitive hosts of T. gondii. They shed oocysts which, in the environment, become infectious for a wide range of animals, including humans, acting as intermediate hosts. This study evaluated the frequency of acute toxoplasmosis in domestic cats with compatible clinical signs and living in households with women of childbearing age. Individual serum samples were collected from 150 cats and analyzed for IgM and IgG against T. gondii. Statistical analyses were performed to evaluate associations between seropositivity and potential risk factors. Overall, 31 cats (20.7 %) were seropositive for anti-T. gondii antibodies, i.e. 9 (6.0 %) for IgM, 17 (11.3 %) for IgG and 5 (3.3 %) for both. The cats showed different combinations of clinical pictures. The following statistically significant associations were found: male sex and positivity for IgM and/or IgG (p=0.0248; OR= 0.3537; 95 % CI= 0.1528–0.8675), presence of 2 or more clinical signs and positivity to IgM only (p=0.0003; OR= +infinity; 95 % CI= 3.924 to +infinity), presence of either neurological signs (p=0.0025; OR= 13.30; 95 % CI= 3.409–61.39) or ocular signs (p=0.0228; OR= 5.835; 95 % CI= 1.631–22.37) and positivity to IgM only, presence of gastrointestinal signs and positivity to IgG only (p=0.0083; OR= 5.508; 95 % CI= 1.503–18.54). Male sex also resulted a possible risk factor in the binomial logistic regression (p= 0.011; OR= 3.336; 95 % CI= 1.131–8.44). These results indicate that cats living with women of childbearing age are at risk of infection with T. gondii. The presence of certain clinical signs can be helpful in identifying recent and/or current infections using laboratory analyses. Awareness on toxoplasmosis should be kept high to protect animal and public health.
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