You can learn a lot about the health industry from taking a tour of a medical institution. Find out whether Clinica Malattie Infettive is open to the public while you are in the area.
When you've spent a bit of time at this health care institution in Sassari, why not make your way to St. Nicholas Cathedral, Piazza d'Italia, and Universita degli Studi di Sassari - Facoltà di Medicina? They're not far from Clinica Malattie Infettive and also a hit with tourists.