Table 1. Serovar identification results and CAAT results of isolates sent to CDC. 1 .
| Origin | Source (Number) | Serovar Identification (PFGE) | Number of Isolates | Confirmed by CAAT | MLST |
| Brazil | Dog (11), Human (2), Swine (2), Cow (1) | Canicola | 16 | 5 | 3 (ST37,Pomona or Canicola) |
| Human (13), Dog (1), Cow (1) | Icterohaemorrhagiae | 15 | |||
| Swine | Kennewicki2 (Pomona) | 1 | |||
| Rat | Biflexa | 1 | NA3 | ||
| Capybara | Unknown | 6 | NA | ||
| Cow | Unknown | 1 | |||
| Capybara | Unknown | 1 | |||
| Total | 41 | ||||
| United States - Hawaii | Human | Icterohaemorrhagiae | 16 | 3 | 8 (ST17, Copenhageni or Icterohaemorrhagiae) |
| Human | Ballum | 4 | NA | ||
| Human | Unknown | 17 | 12 (ST51, Australis) | ||
| Human | Unknown | 1 | NA | ||
| Human | Unknown | 1 | NA | ||
| Human | Unknown | 2 | NA | ||
| United States - Other | Human | Icterohaemorrhagiae | 1 | ||
| Dog | Grippotyphosa (L. kirschneri) | 1 | |||
| Human | Unknown | 2 | NA | ||
| Human | Unknown | 2 | NA | ||
| Total | 47 | ||||
| Egypt | Human | Icterohaemorrhagiae | 12 | 3 | 3 (ST17, Copenhageni or Icterohaemorrhagiae) |
| Human | Pomona | 7 | 4 | 1 (ST37, Pomona or Canicola) | |
| Human | Bataviae | 6 | 5 | 5 (ST50, Bataviae) | |
| Human | Pyrogenes | 3 | 3 | 3 (ST88, 1 of 4 Pyrogenes ST types) | |
| Human | Grippotyphosa (L. interrogans) | 3 | 2 | 1 (ST111, 1 of 4 Grippotyphosa ST types) | |
| Total | 31 | ||||
| Peru | Rat (9), Spiny Rat (1) | Icterohaemorrhagiae | 10 | 2 | 2 (ST17, Copenhageni or Icterohaemorrhagiae) |
| Rat (7), Human (2) | L. licerasiae | 9 | NA | ||
| Opossum | Unknown | 1 | |||
| Spiny Rat | Unknown | 1 | NA | ||
| Opossum | Unknown | 1 | |||
| Total | 22 | ||||
| Thailand | Human (24), Rat (3) | Bulgarica (L.interrogans) | 27 | 7 | 1 (ST34, no reference match) |
| Rat | Bataviae | 1 | |||
| Human | Unknown | 1 | 1(ST113, no reference match) | ||
| Human | Unknown | 1 | |||
| Rat | Unknown | 1 | |||
| Total | 31 | ||||
| Denmark | Human | L. broomii | 1 | NA | |
| France | Human | L. broomii | 1 | NA | |
| Guyana | Human | Icterohaemorrhagiae | 1 | 1 | 1 (ST17, Copenhageni or Icterohaemorrhagiae) |
1
Only a subset of isolates were validated by CAAT; concordance between PFGE and CAAT was 100%.
2
Kennewicki is no longer recognized as a separate serovar from Pomona.[7]
3
NA = Not applicable for MLST since the species is not L. interrogans or L. kirschneri.