Volume 7, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



From November 4, 1954, to March 20, 1956, 1,091 mammals were trapped in southwestern Georgia. Of these, 820 were tested for leptospires by culturing kidney tissue, and 44 (5.4%) were found positive. The leptospires involved were identified by agglutination and cross-agglutinin-adsorption tests as serologically homologous to A, , and serotype members of the and serogroups. The hosts were as follows: opossum for and members of the serogroup; gray fox for raccoon for A, , and a member of the serogroup; striped skunk for and and wildcat for and . No correlation was found between the incidence of infection by a given serotype of leptospires and density of the various species of mammals or the total mammalian population.

The isolation of A., , and organisms belonging to the and serogroups is of primary significance. Only a few reference laboratories are routinely testing for the presence of antibodies to these pathogens in either man or domestic animals. There is a need for inclusion of antigens of these serotypes of leptospires in routine agglutination tests and for more intensive efforts to isolate leptospires from suspected cases in humans and domestic animals.

The following new host records were established: gray fox for raccoon for A, , and a member of the serogroup; striped skunk for and wildcat for and and opossum for members of the serogroup.


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