Table 5.

Infection rate (%) of SFG Rickettsia spp. in field-collected and first-laboratory generation adults of D. nuttalli in the QTPA.

Rickettsia	Infection rate (%, 95% CI) in field-collected and first-laboratory generation of D. nuttalli
	Field-collected						First-laboratory generation
	Male (n = 100)			Female (n = 100)			Male (n = 100)			Female (n = 116)
	Single SG	Single MG	SG + MG	Single SG	Single MG	SG + MG	Single SG	Single MG	SG + MG	Single SG	Single MG	SG + MG
Positive	0	0	92 (92.0, 86.7–97.3)	0	0	93 (93.0, 88.0–98.0)	4 (4.0, 0.2–7.8)	6 (6.0, 1.3–10.7)	0	5 (4.3, 0.6–8.0)	5 (4.3, 0.6–8.0)	0
Negative	/	/	8 (8.0, 2.7–13.3)	/	/	7 (7.0, 2.0–12.0)	96 (96.0, 92.2–99.8)	94 (94.0, 89.3–98.7)	/	111 (95.7, 92.0–99.4)	111 (95.7, 92.0–99.4)	/

SG, salivary gland. MG, midgut. 95% CI, 95% confidence interval. /, no analysis.