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Table 3 Borrelia prevalence in small mammals per habitat type and in ticks per grassland and forested parts of the forest habitat, and in total

From: Diversity of Borrelia burgdorferi sensu lato in ticks and small mammals from different habitats

Small mammal species Prevalence of Borrelia [% (95% CI), n positive/n tested]
Total Grassland (I) Forest (II)
Apodemus agrarius (striped field mouse) 1.1% (< 0.01–6.6), 1/90 2.2% (< 0.01–12.4), 1/46 0/44
Apodemus flavicollis (yellow-necked field mouse) 1.7% (0.5–4.4), 4/240 5% (< 0.01–25.4), 1/20 1.4% (0.3–4.1), 3/220
Apodemus sylvaticus (wood mouse) 1.9% (0.1–6.9), 2/108 3.6% (< 0.01–19.2), 1/28 1.3% (< 0.01–7.4), 1/80
Arvicola amphibius (water vole) 25% (35.1–71.1), 1/4 33.3% (5.6–79.8), 1/3 0/1
Clethrionomys glareolus (bank vole) 7.2% (4.7–10.9), 20/278 12.5% (0.1–49.2), 1/8 7% (4.5–10.8), 19/270
Crocidura russula (greater white-toothed shrew) 0/1 0/1 0
Microtus agrestis (field vole) 6.7% (< 0.01–31.8), 1/15 12.5% (0.1–49.2), 1/8 0/7
Microtus arvalis (common vole) 9.6% (7.1–1.9), 39/407 9% (6.5–12.4), 34/377 16.7% (6.9–34), 5/30
Sorex araneus (common shrew) 20% (7.5–42.2), 4/20 18.2% (4–48.9), 2/11 22.2% (5.3–55.7), 2/9
Sorex minutus (pygmy shrew) 0/4 0/2 0/2
Total 6.2% (4.9–7.7), 72/1167 8.3% (6.2–11.1), 42/504 4.5% (3.2–6.4), 30/663
Tick species Total Grassland part of forest (IIb) Forest part of forest (IIa)
Ixodes ricinus complex 13% (11.1–15.2), 132/1014 16.8% (13–21.5), 51/303 11.4% (9.3–14), 81/711
Dermacentor reticulatus 0/80 0/74 0/6
Total 12.1% (10.3–14.1), 132/1094 13.5% (10.4–17.4), 51/377 11.3% (9.2–13.9), 81/717
  1. CI Confidence interval