[Serotyping of Salmonella isolated in the Piedmont region in the years 1975-1976].

Ninehundredtwentysix bacteria of genus Salmonella, collected from hospitals, provincial laboratories and university centers of Piedmont (Italy) have been serologically tested. The serotypical frequencies were compared with those reported in literature. Our findings shown that the appearance of new and unusual serotypes is dominant in comparison to traditional ones.