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Article Abstract
Objectives: is under-recognized in Europe. This study aimed to determine the seroprevalence and spatial distribution of tick-borne encephalitis (TBE) virus (TBEV) in areas close to endemic regions in Northern Italy.
Methods: A multicenter study was conducted on a random sample of the general population afferent to hospitals in Veneto, Lombardy, and Piedmont with a pre-determined sample size of 1500 participants. The presence of TBEV-neutralizing antibodies was determined for sera positive to the TBE-specific immunoglobulin G test in a centralized laboratory.
Results: Out of 1537 samples analyzed (790 from Lombardy, 394 from Veneto, 353 from Piedmont), 39 (2.5%) were immunoglobulin G TBEV-positive. The frequency of positive cases was similar amid the regions (24-3.0% Lombardy, 10-2.5% Veneto, and 5-1.4% Piedmont; = 0.27). The seropositivity rates were 3.6% in subjects aged over 50 years, 2.0% in those aged 30-50 years, and 1.5% in subjects aged under 30 years ( = 0.10). Two of them (one from Veneto and one from Lombardy) were confirmed by TBEV neutralization test (prevalence 130 per 100,000). One lived close to an endemic area (Treviso); the other spent time in an endemic region (Friuli) and did not remember experiencing tick bites.
Conclusions: The results from this study highlight the need for raising awareness among the population and health care workers to limit the risk of TBE infection.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11347062 | PMC |
| http://dx.doi.org/10.1016/j.ijregi.2024.100404 | DOI Listing |
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