[The epidemiological surveillance in the regional public health program of intervention in the National Priority Contaminated Sites of Sicily: an update of mortality and hospitalization].

the data derived from the new surveillance system help to define the health profile in the SINs of Sicily. Even by using the local level of comparison that was added to the traditional approach in geographic studies in the national priority contaminated sites for the reclamation available until today, the particular impact of some chronic diseases in these populations has also been confirmed in recent years.