Analysis on the Carrying status of Salmonella in Healthy People in Jiading District Shamghai

180 salmonella carriers were found from 64028 persons in Jiading district through prevenrive health examination，the positive rate was 0.281％．Since March each year，the carriers were arisen and reached to the top in June and July，then，reduced．It was noticed that so many carriers were food producers or salesmen；most strains of Salmonella were identified as serum type B group．