Table 2.
Prevalence of B. canis and R. raoulti in D. reticulatus collected in areas covered by the Eastern and the Western population
| Population | B. canis | R. raoulti | Endemicity | B. canis | R. raoulti | Time of inhabitation | B. canis | R. raoulti | Area of expansion zone | B. canis | R. raoulti |
| positive/total (%) | positive/total (%) | positive/total (%) | positive/total (%) | positive/total (%) | positive/total (%) | ||||||
| Eastern population | 108/1993 (5.42) | 832/1993 (41.75) | endemic regions | 69/1198 (5.76) | 451/1198 (37.65) | Warmińsko-Mazurskie | 11/474 (2.32) | 162/474 (34.18) | positive/total (%) | positive/total (%) | |
| Masovian | 58/724 (8.01) | 289/724 (39.92) | |||||||||
| non-endemic regions (expansion zones) | 39/1387 (2.81) | 689/1387 (49.68) | west of the Vistula River | 39/795 (4.91) | 381/795 (47.92) | northern | 1/148 (0.68) | 37/148 (25.0) | |||
| central | 5/424 (1.18) | 236/424 (55.66) | |||||||||
| southern | 33/223 (14.80) | 108/223 (48.43) | |||||||||
| Western population | 0/592 (0) | 308/592 (52.03) | western Poland | 0/592 (0) | 308/592 (52.03) | northern | 0/47 (0) | 33/47 (70.21) | |||
| central | 0/432 (0) | 212/432 (49.07) | |||||||||
| southern | 0/113 (0) | 63/113 (55.75) | |||||||||
| Total | 108/2585 (4.18) | 1140/2585 (44.10) | |||||||||