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Title: Seroprevalence of and risk factors for Toscana and Sicilian virus infection in a sample population of Sicily (Italy).
Authors: Calamusa G,  Valenti RM,  Vitale F,  Mammina C,  Romano N,  Goedert JJ,  Gori-Savellini G,  Cusi MG,  Amodio E
Journal: J Infect
Date: 2012 Feb
Branches: IIB
PubMed ID: 22120113
PMC ID: PMC3630500
Abstract: OBJECTIVE: The present study aimed to assess seroprevalence of and risk factors for Toscana (TOSV) and Sicilian (SFSV) virus infections in a sample of Sicilian subjects. METHODS: A cross-sectional seroepidemiological study was conducted on 271 individuals. Each participant completed a self-administrated questionnaire and provided a serum sample which was analyzed for the presence of IgG specific anti-TOSV and anti-SFSV viruses. RESULTS: Overall, 90 subjects (33.2%) were positive for TOSV IgG, 25 (9.2%) were positive for SFSV IgG and 11 (4%) were positive for both the viruses. A higher risk for TOSV seropositivity was found in participants who were older (adjOR = 1.02 per year; 95% CI = 1.01-1.03), having a pet living outdoors (adjOR = 2.62; 95% CI = 1.42-4.83) and being obese (adjOR = 2.37; 95% CI = 1.06-5.30). CONCLUSIONS: TOSV seroprevalence appears to be relatively high in Sicilian general population, especially in older adults, representing a potential public health concern. The observations that seropositivity for TOSV was not significantly associated with SFSV seropositivity, and none of the risk factors associated with TOSV were associated with SFSV seem to suggest that these two phleboviruses may have different ecology and transmission pathways.