Table 4. Microscopic smear results through day 28 post-CHMI.

	CA (N = 16)	CAT (N = 16)	Infectivity Control (N = 12)
Positive Blood Smears, n (%)	15 (94%)	11 (69%)	11 (92%)
Negative Blood Smears, n (%)	1 (6%)	5 (31%)	1 (8%)
Time to 1st Positive Smear (Days)	10.1, 10.9, 10.9, 10.9, 11.2, 11.8, 11.9, 11.9, 11.9, 12.0, 12.0, 12.5, 13.8, 13.9, 14.0	10.0, 10.9, 11.1, 11.8, 12.5, 13.4, 13.8, 13.9, 14.0, 14.5, 17.0	8.8, 9.9, 10.9, 10.9, 10.9, 11.0, 11.9, 11.9, 13.9. 13.9, 13.8
Mean (SD)	11.98 (1.16)	12.98 (1.98)	11.62 (1.68)
Median	12.99	13.42	11
Vaccine Efficacy (VE), % (95% CI)	-2% (-26.5–17.3)	25% (-8.8–48.3)	NA
	p-value: 0.8352	p-value: 0.0746	NA

VE = (1—Relative Risk).

P-values were calculated by Cochran-Mantel-Haenszel method.

CI: Confidence Interval.