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Seroprevalence study of tick borne encephalitis in Turin province
A Pugliese1, L Gennero, M Boffito
1Department of Medical and Surgical Sciences, Section of Clinical Microbiology, Ospedale Amedeo di Savoia, University of Turin, Turin, Italy. pugliese@dealer.it
Background:
Tick borne encephalitis (TBE) virus is diffused in some European countries and it is transmitted by tick bites. In Italy Isodex ricinus represents the main vector of the infection, that rarely produces the neurologic manifestations, characterising the secondary phase of the same.
Methods:
In Italy TBE has been little studied and this only in the Middle and Northern regions of the country. Seroepidemiological researches were done prevalently on subjects at high risk of tick bite, such as hunters or forest guards and especially in Trentino and Tuscany. No precise information about TBE virus diffusion was disposable in the Piedmont region and particularly in the Susa valley where, before our investigation failed the data about it.
Results:
We found that usual hunters and wild boar breeders seem to be particularly exposed to the risk of TBE virus infection, but none neurologic involvement was detected in the anamnesis of the significantly seropositive subjects and also of the borderline ones, that we have studied, despite the limited number of these subjects.
Conclusions:
Nevertheless we hope for a following extension of our case report, also in consideration that rare cases of encephalitis of unknown etiology, are signalled in Piedmont.