molecular study on salmonella enteritidis strains from a nosocomial gastroenteritis outbreak. | a molecular epidemiological analysis was carried out on s. enteritidis isolates identified at the central italy enterobacteriaceae center during 1986. 26 of these were from a diarrhoeal disease outbreak, which occurred in the period april-june at the "s. chiara" hospital, pisa. all s. enteritidis strains harboured a virulence-encoding 39 mda plasmid. the nosocomial isolates made in june 1986 carried an additional non-conjugative plasmid of 75 mda, associated with the streptomycin-resistance. in ... | 1988 | 3066372 |