• Minerva medica · Apr 2023

    Changing epidemiology of hepatitis C in Italy: a population-based survey in a historically high endemic area.

    • Enea Spada, Cinzia Marcantonio, Maria F Vescio, Nadia Marascio, Umbertina Villano, Giulio Pisani, Elena Tritarelli, Roberto Bruni, Giorgio S Barreca, Carlo Torti, Giovanni Matera, Maria C Liberto, Alfredo Focà, Patrizio Pezzotti, Anna Rita Ciccaglione, and Viral Hepatitis ISS-UNICZ study group.
    • Department of Infectious Diseases, Istituto Superiore di Sanità (ISS), Rome, Italy - enea.spada@iss.it.
    • Minerva Med. 2023 Apr 1; 114 (2): 191202191-202.

    BackgroundGeneral population data on hepatitis C virus (HCV) prevalence in Italy come mostly from studies conducted in small towns. The highest rates have consistently been found in southern regions, especially in Calabria. Herein, we aimed to determine HCV prevalence, awareness, and risk factors in the general population of Catanzaro, the capital city of Calabria, Italy.MethodsA stratified probability-based random sample of adult population was drawn from the Census. Anti-HCV and HCV-RNA were assayed. Data on sociodemographycs, risk factors and awareness of infection status were also collected. Crude and age and sex directly standardized rates (DSR), using Catanzaro's general population as standard, were calculated. Log binomial regressions with sampling weights was used to identify independent predictors of infection.ResultsThe final study population consisted of 1003 people. Of them 27 (2.69%; 95% confidence interval, [CI] 1.78-3.89) (DSR: 2.34%; 95% CI: 1.37-3.30) and 9 (0.9%; 95% CI: 0.41-1.70) (DSR: 0.79%; 95% CI: 0.21-1.37) were anti-HCV and HCV RNA positive, respectively. Most HCV-positive participants were older people. Age ≥65 and past use of illicit drugs were both positive independent predictors of anti-HCV positivity, while female sex was an independent protective predictor of infection. Only 9 (33.3%) of anti-HCV positive participants had awareness of their status.ConclusionsWe detected a much lower anti-HCV prevalence than those previously found in Calabria, along with a substantial change in HCV transmission modes. Infected people were almost only elderly and mostly unaware of their infection. Improving diagnosis and linkage to care for these infected persons would be needed.

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