Table 1.

Summary of in vitro EC50 values reported for hydroxychloroquine/chloroquine from selected studies

Author	Medication	Cell line	MOI	Time-pointa	EC50b
Liu et al. [[35]]	HCQ (chloroquine)	VeroE6	0.01	48 h	4.51 (2.71)
			0.02		4.06 (3.81)
			0.2		17.31 (7.14)
			0.8		12.96 (7.36)
Wang et al. [[36]]	Chloroquine	VeroE6	0.05	48 h	1.13
Yao et al. [[37]]	HCQ (chloroquine)	Veroc	0.01	24 h	6.14 (23.90)
				48 h	0.72 (5.47)
Maisonnasse et al. [25]	HCQ	VeroE6	0.01	48 h	2.19d
				72 h	4.39d

^aPost-infection

^bExpressed in µM

^cNot stated in article if VeroE6 was the lineage utilized

^dIC₅₀ (not EC₅₀)