Author: Miladin Kostovic

# orleans

- `Genus:............ Leptospira`
- `Species:.......... noguchii`
- `Serogroup:........ Louisiana`
- `Serovar:.......... orleans`
- `Strain:........... LSU 2580`
- `Year:............. 1964`
- `Origin:........... Nutria (Myocastor coypus)`
- `Country:.......... USA`

### History of serovar:

The strain was isolated from the kidney of a nutria (Myocastor coypus) in the state of Lousiana of the United States and described as a new serovar of the Autumnalis group named arleans, with reference strain LSU 2580, (Rot et al., 1964).

Dikken and Kmety (1978) suggested placing this serovar within the new serogroup Louisiana. Serovar arleans was recognized by the TSC in 1986 and was placed in the Louisiana serogroup. It appears as such in the Revised List of 1988 (Kmety and Dikken, 1988).

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