Year of birth, sex and residence, as ? determinants ? of tetanus incidence and immunity in Italy

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Abstract
Regional results of a seroepidemiological study and official notification data are evaluated to describe the situation of tetanus in Italy. Tetanus incidence has been decreasing during the past years. Vaccination has been the principal means of tetanus prevention. Trend analyses for sex- and age-specific rates suggest a change of exposure, presumably linked to the transformation of the Italian society after the World War II, a higher incidence among the elderly as a function of poor coverage and vanishing immunity. Regional data show remarkable variability in prevalence of susceptible population. Reported rates by region are different. Different degrees of regional underreporting in case notification is suggested.