Author: Miladin Kostovic

# gem

- `Genus:............ Leptospira`
- `Species:.......... interrogans`
- `Serogroup:........ Icterohaemorrhagiae`
- `Serovar:.......... gem`
- `Strain:........... Simon`
- `Year:............. 1972`
- `Origin:........... Human`
- `Country:.......... Ceylon`

### History of serovar:

The strain Simon was isolated from a patient in Ceylon in 1966 (Nityananda, Sulzer, 1972), and designated as the reference strain of a new serovar in the Icterohaemorrhagiae serogroup named gem. The strain was studied at the CDC, Atlanta, under the strain designation LT 11-67. The published description of the strain is almost complete.

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