Etiological structure of salmonellosis and the serotype passage of salmonellae isolated in separate regions of the USSR in 1980-1982

At the period of 1980-1982 the isolation of salmonellae belonging to 394 serovars was registered in the USSR. Of these, 116 Salmonella serovars were registered in the USSR for the first time. 12 dominating serovars constituted 83.1% of salmonellae isolated from humans, 99% of salmonellae isolated from animals and 70% of all salmonellae isolated from different environmental objects. S. typhimurium was the predominant serovar, found to determine 50% of cases of Salmonella infection. The isolation rate of S. infantis and S. virchow was shown to increase. The existence of definite ecological relationships between infective agents isolated from different sources was established.