Table 2.

Time-of-addition experiments with 2HP-βCD:27OHC.

Virus	Protocol	EC50a (μM) – 95% C.I.b	EC90c (μM) – 95% C.I.
CoV-OC43	pretreatment	0.7 (0.5–1.0)	4.6 (1.9–11.2)
	post-infection treatment	8.3 (5.7–12.1)	34.6 (13.8–86.7)
SARS-CoV-2	pretreatment	7.8 (4.4–13.8)	123.4 (24.2–628.9)
	post-infection treatment	4.3 (3.0–6.2)	9.2 (4.0–21.0)

n.a. not assessable.

^aEC₅₀ half-maximal effective concentration.

^bCI confidence interval.

^cEC₉₀90% effective concentration.