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Table 5 Prevalence of tick-borne pathogens in tick species collected from hosts in Bulgaria, 2012

From: The diversity of tick-borne bacteria and parasites in ticks collected from the Strandja Nature Park in south-eastern Bulgaria

Species Number of ticks Number of positive/tested ticks (%) [95% CI]
L N M F Total Rickettsia spp. Anaplasma phagocytophilum Borrelia burgdorferi Babesia spp.
Ixodes spp. 12 16 0 1 29 14/29 (48.28)
[31.39–65.57]
1/29 (3.45)
[0–18.63]
0/29 (0)
I. ricinus 52 55 3 19 129 23/36 (63.89)
[47.52–77.58]
47/129 (36.43)
[28.62–45.03]
14/129 (10.85)
[6.46–17.51]
1/129 (0.78)
[0–4.69]
Hyalomma spp. 0 0 0 1 1 27/49 (55.1)
[41.31–68.12]
1/1 (100)
[16.75–100]
0/1 (0) 1/1 (100)
[16.75–100]
Hy. marginatum 0 0 21 2 23 0/16 (0) 0/16 (0) 1/16 (6.25)
[0–30.31]
Hy. aegypticum 0 0 17 1 18 0/18 (0) 0/18 (0) 0/18 (0)
Hy. anatolicum 0 0 2 0 2 0/2 (0) 0/2 (0) 0/2 (0)
Hy. excavatum 0 0 0 4 4 0/4 (0) 0/4 (0) 0/4 (0)
Hy. scupense 0 0 0 1 1 0/1 (0) 0/1 (0) 0/1 (0)
Dermacentor marginatus 0 0 0 2 2 1/2 (50.00)
[9.45–90.55]
0/2 (0) 0/2 (0) 0/2 (0)
Rhipicephalus spp. 1 12 0 1 14 7/114 (6.14)
[2.79–12.35]
0/14 (0) 0/14 (0) 0/14 (0)
R. bursa 0 0 31 38 69 3/69 (4.35)
[0.99–12.52]
0/69 (0) 3/69 (4.35)
[0.99–12.52]
R. sanguineus 0 3 16 13 32 0/32 (0) 0/32 (0) 0/32 (0)
R. rossicus 0 0 1 1 2 0/2 (0) 0/2 (0) 0/2 (0)
R. turanicus 0 0 0 1 1 0/1 (0) 0/1 (0) 0/1 (0)
Total 65 86 91 85 327 58/201 (28.86)
[23.02–35.48]
65/327 (19.88)
[15.9–24.56]
15/327 (4.59)
[2.74–7.49]
6/327 (1.83)
[0.75–4.04]
  1. Abbreviations: CI confidence interval, F females, L larvae, N nymphs, M males
  2. All tested samples were CNM-negative