| czech republic | | candidatus rickettsia mendelii | species | 11 | 0 |
| finland | | candidatus rickettsia mendelii | species | 3 | 0 |
| france | | candidatus rickettsia mendelii | species | 1 | 0 |
| poland | podlasie province | candidatus rickettsia mendelii | species | 11 | 0 |
| russia | primorsky krai | candidatus rickettsia mendelii | species | 1 | 0 |
| united states | virginia | candidatus rickettsia mendelii | species | 1 | 0 |