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Table 1 Percentage of Borrelia burgdorferi (s.l.) and relapsing fever Borrelia positive individual ticks and pools, and minimum infection rate (MIR) in questing I. ricinus from NW Spain

From: Molecular identification of Borrelia spirochetes in questing Ixodes ricinus from northwestern Spain

  

Borrelia burgdorferi (s.l.)

Relapsing fever Borrelia

Nymphsa

Positive ticks

26/192 (18.8%)

2/192 (1.0%)

Positive pools

45/73 (61.6%)

0/73 (0)

MIR

45/730 (6.2%)

0/730 (0)

Adult malesb

Positive ticks

15/96 (15.6%)

1/96 (1.0%)

Positive pools

12/32 (37.5%)

1/32 (3.1%)

MIR

12/143 (8.4%)

1/143 (0.7%)

Adult femalesb

Positive ticks

31/96 (32.3%)

1/96 (1.0%)

Positive pools

28/37 (75.7%)

0/37 (0)

MIR

28/175 (16.0%)

0/175 (0)

  1. aPools of ten I. ricinus
  2. bPools up to five I. ricinus