Serotyping and the Dienes reaction on Proteus mirabilis from hospital infections

AUTOR(ES)

de Louvois, J.

RESUMO

The serotype of 320 strains of Proteus mirabilis from clinical material was determined. Using 20 O antisera and four H antisera 61% of strains could be fully identified and 90% partially identified. A large number of serotypes were recognized but no difference was found between the serotype of organisms infecting the urinary tract and those from other infections. Biochemically identical organisms found in the same ward generally differed in serology. Proteus mirabilis was isolated from the faeces of 84·5% of 84 patients with urinary infection and from none of 20 normal controls. By serology and the Dienes test 61% of the organisms isolated from the urine and faeces of a single patient were identical, indicating that infection arose from the intestine.

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