Abstract
An accurate estimate of the impact of toxoplasmosis on the population in Italy is not available. We performed a cross-sectional study on individuals living in Italy to assess: (1) differences in access to Toxo testing and in the prevalence of recent and past Toxoplasma gondii infection according to gender and age, and (2) the clinical impact of disease burden on the male patient subset. Reason for testing, condition of in- or outpatient and clinical data were analysed. Between-gender differences were observed in access to the test. Immunoglobulin M (IgM) prevalence was increased in males in the age range 5–34 years [odds ratio (OR) = 2.03, 95% confidence interval (CI) 1.18–3.49, p = 0.01), with a peak at 25–34 years. In females, it decreased in the age range 20–39 years (OR = 0.49, 95% CI 0.32–0.74, p = 0.0008). The attack rate of recent infection was twice as high for males than for females. Estimates pointed out 3.3 and 1.7 events in 1000 at-risk person-years in the male and female cohorts, respectively. Most IgM-positive subjects did not experience severe forms of toxoplasmosis, with 35% having lymphadenopathy. Chorioretinitis, systemic and neurological manifestations were also observed. Our findings suggest that the acute phase of toxoplasmosis is largely unapparent or clinically mild in this area. It is also possible that the disease burden for Toxoplasma infection in Italy is underestimated. Further study should focus on information acquisition and Toxo test access in hospital units for a better estimation of the real burden of mild and severe forms of the disease.
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Acknowledgements
We thank Dr. Fioravante Pisaturo of the University Hospital of Pisa for data collecting. We thank Daniele Benvenuti of the University Hospital of Pisa for his help in the diagnosis of hospital discharge cards (DRG) for inpatients.
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Pinto, B., Mattei, R., Moscato, G.A. et al. Toxoplasma infection in individuals in central Italy: does a gender-linked risk exist?. Eur J Clin Microbiol Infect Dis 36, 739–746 (2017). https://doi.org/10.1007/s10096-016-2857-8
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DOI: https://doi.org/10.1007/s10096-016-2857-8