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Table 1 Infection rates of A. phagocytophilum in questing I. ricinus nymphs and adults

From: Circulation of four Anaplasma phagocytophilum ecotypes in Europe

Location Tested (n) Positive (n) Infection rate (CI)
Denekamp 104 0 0.0% (<2.8%)
Vlaanderen-area (Belgium) 114 0 0.0% (<2.6%)
Pyramide van Austerlitz 270 1 0.3% (<1.8%)
Vijlenerbos 328 1 0.3% (0–1.5%)
Kop van Schouwen 238 2 0.8% (0.1-2.7%)
Rijk van Nijmegen 53 0 0.0% (<5.5%)
Ulvenhoutse bos 61 0 0.0% (<36%)
Wallonië-area (Belgium) 106 1 0.9% (0-5%)
Dintelse Gorzen 122 2 1.6% (0.2-5.8%)
Duin en Kruidberg 457 8 1.8% (0.8-3.4%)
Boswachterij Hardenberg 90 2 2.2% (0.3-7.8%)
Dwingeloo-area 1071 35 3.3% (2.3-4.5%)
Drents-Friese Wold 29 2 6.9% (0.8-22%)
Hoog Soeren 217 14 6.5% (3.7-10.3%)
Brussels-area (Belgium) 153 10 6.5% (3.1-11.7%)
Vrouwenpolder 86 7 8.0% (3.3-16%)
Hoge Veluwe 47 5 10.6% (4.0-22%)
Total of all ticks 3493 90 2.5% (2.0-3.1%)
  1. Ticks were collected by blanket dragging on various locations in The Netherlands and Belgium (three locations). The 95%-confidence intervals, which were calculated using Fisher's exact test, are between brackets. The five locations with infection rates significantly lower than 3% are indicated in bold. The four locations with infection rates significantly higher than 3% are indicated in cursive bold.