Table 2 Rickettsia spp. detection in ticks collected from all small mammals trapped at the collection sites
County in Estonia where the small mammals were collected | Number of ticks infected/tested | Rickettsia spp. genospeciesa | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
I. ricinus | I. persulcatus | I. trianguliceps | Overall total | Candidatus Rickettsia uralica | Rickettsia helvetica | |||||||
Larvae | Nymphs | Total | Larvae | Nymphs | Total | Larvae | Nymphs | Total | ||||
Järvamaa | 21/288 (7.2%) | 2/14 (14.3%) | 23/302 (7.6%) | 0/1 | – | 0/1 | 2/19 (10.5%) | 0/3 | 2/22 (9.1%) | 25/325 (7.7%) | 2/25 (8%);2/325 [0.6%] | 23/25 (92%); 23/325 [7.1%] |
Lääne-Virumaa | 15/151 (9.9%) | 1/12 (8.3%) | 16/163 (10.4%) | 0/1 | – | 0/1 | 1/38 (2.6%) | 0/7 | 1/45 (2.2%) | 17/209 (8.1%) | – | 17/17 (100%); 17/209 [8.1%] |
Tartumaa | 4/52 (7.7%) | 0/4 | 4/56 (7.1%) | 0/62 | 0/11 | 0/73 | – | 0/6 | 0/6 | 4/152 (2.6%) | – | 4/4 (100%); 4/152 [2.6%] |
Pärnumaa | 39/186 (21.0%) | 4/15 (26.7%) | 43/201 (21.4%) | – | 0/1 | 0/1 | 0/17 | 1/8 (12.5%) | 1/25 (4%) | 44/227 (19.4%) | 1/44 (2.3%); 1/227 [0.4%] | 43/44 (97.7%); 43/227[18.9%] |
Saaremaa | 13/247 (5.2%) | 0/24 | 13/271 (4.8%) | – | – | – | 0/2 | – | 0/2 | 13/273 (4.8%) | – | 13/13 (100%); 13/273 [4.8%] |
Total all counties | 92/924 (10.0%) | 7/69 (10.1%) | 99/993 (10.0%) | 0/64 | 0/12 | 0/76 | 3/93 (3.2%) | 1/24 (4.2%) | 4/117 (3.4%) | 103/1186 (8.7%) | 3/103 (2.9%); 3/1186 [0.3%] | 100/103 (97.1%); 100/1186 [8.4%] |
Total larvae (all tick species) | Â | 95/1081 (9.44%) | Â | Â | ||||||||
Total nymphs (all tick species) | Â | 8/105 (7.62%) | Â | Â | ||||||||