The Identification, Epidemiology and Pathogenicity of the Salmonellae of Subgenus II

Abstract

A short description of the biochemical criteria used in the differentiation of the salmonellae of subgenera I, I1 and Arizona is given. Important antigenic differences have been found between the subgenera I and 11. The pathogenicity and epidemiology of subgenus 1 1 are discussed. In 1960 Kauffmann proposed dividing the salmonellae on the basis of certain fementative differences into two biochemically defined subgenera. This subdivision is useful and is already carried out in a number of laboratories.

The prevalence of human isolates of Salmonella subspecies II in southern Africa

“…S.11 serotypes are regarded as an uncommon cause of disease in man (Rohde, 1965;Farmer et al 1984), a view that is supported by retrospective analysis of the serotypes reported in a number of surveys published over the last three decades. Only 3 isolates of a single S.II serotype were reported among 3216 salmonellae cultured from humans before 1960 in Central Africa (the former Belgian Congo and Ruanda-Urundi).…”

Salmonella

“…enterica (Rohde 1965;Popoff and Le Minor 1992). Most retrospective studies have confirmed their rare occurrence in humans; thus, only 27 isolates of serotypes of subsp.…”

“…Central Africa before 1960 (see Schrire et al 1987), Malaysia 1973-82 (Jegathesan 1984 and France 1980-83 (Le Minor et al 1985. The main reservoirs of this subspecies are healthy or diseased reptiles and diverse coldblooded animals (Rohde 1965). …”