The characteristic and clinical importance of bacteria of the genus Citrobacter isolated from patients with acute intestinal infections on the territory of Volgograd.
A total of 309 Citrobacter strains isolated from patients with acute intestinal infections of obscure aetiology and from healthy subjects were investigated.  Species specificity of the bacterial cultures was determined by biochemical tests recommended by the International Enterobacteriaceae Subcommittee.  Citrobacter strains were titrated serologically in the reaction of agglutination on glass with a living culture and adsorbed 0-antisera.  Eighteen serological 0 groups were identified; 0 groups 3, 9, 23, 1 and 8 were found most frequently.  Citrobacter was isolated more frequently from patients with acute intestinal infections than from healthy subjects.  Seasonal circulation of Citrobacter strains in spring and summer was established.  The number of culture findings of Citrobacter in the patients increased against the background of reduction in the number of cases of bacteriologically confirmed dysentery.
D000208:Acute Disease; D002954:Citrobacter / Q000145:classification / Q000302:isolation & purification*; D004756:Enterobacteriaceae Infections / Q000382:microbiology*; D005243:Feces / Q000382:microbiology; D005767:Gastrointestinal Diseases / Q000382:microbiology*; D006801:Humans; D012621:Seasons; D014586:USSR