Table 5.
Minimum infection rate of tick-borne pathogens in tick pools in relation to tick species collected from camels in north-western Nigeria
| Study location | Total no. of ticks tested (n) | Minimum infection rate (no. of positives) [95% CI] | ||
|---|---|---|---|---|
| Rickettsia spp. (n) | Babesia spp. (n) | Coxiella burnetii (n) | ||
| Hyalomma dromedarii | 465 (154) | 6.2 (29) [4.2–8.8] | 0.6 (3) [0.1–1.9] | 3.4 (16) [2.0–5.5] |
| H. truncatum | 87 (46) | 16.1 (14) [9.1–25.5] | 0 (0) | 1.1 (1) [0.0–6.2] |
| H. rufipes | 19 (16) | 36.8 (7) [16.3–61.6] | 0 (0) | 0 (0) |
| H. impeltatum | 18 (11) | 5.6 (1) [0.1–27.3] | 5.6 (1) [0.1–27.3] | 0 (0) |
| H. impressum | 2 (2) | 0 (0) | 0 (0) | 0 (0) |
| Amblyomma variegatum | 1 (1) | 0 (0) | 0 (0) | 0 (0) |
| Rhipicephalus evertsi evertsi | 1 (1) | 0 (0) | 0 (0) | 0 (0) |
| Total | 593(231) | 8.6 (51) [6.5–11.2] | 0.7 (4) [0.2–1.7] | 2.9 (17) [1.7–4.6] |
Abbreviation: n, number of pools