During the period between 1962 to 1971 were identified 164 strains of Salmonella isolated from faeces on infants and adults, with or without intestinal symptoms. All the patients examined living in Rio de Janeiro city. The results obtained in the serological classification of the se cultures, showed a predomination of Salmonella enteritidis belonging to serogroup B. The serotypes most frequently isolated were Typhimurium Newport, Anatum and Thompson.