Table 4.

Minimum infection rates of tick-borne pathogens detected in tick pools from different study locations in north-western Nigeria

Study location	Total no. of ticks tested (n)	Minimum infection rate % (number of positives) [95% CI]
		Rickettsia spp.(n)	Babesia spp. (n)	Coxiella burnetii (n)
Kano	396 (150)	7.8 (31) [5.4–10.9]	0.8 (3) [0.2–2.2]	3.0 (12) [1.6–5.2]
Jigawa	145 (57)	9.7 (14) [5.4–15.7]	0.7 (1) [0.0–3.8]	2.1 (3) [0.4–5.9]
Sokoto	52 (24)	11.5 (6) [4.4–23.4]	0 (0)	3.8 (2) [0.5–13.2]
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