Table 1.

Effect of ribavirin and MPA on CBV3 replication in Vero cells and human myocardial fibroblasts (HMF)

	EC50 (μg/ml)a		Yield reductionb (%)	MTC (μg/ml)c
	Vero	HMF
MPA	55	80	89	200
Ribavirin	117	250	87	>500

^aConcentration of compound that reduces viral induced cytopathic effect by 50% ^bReduction of virus yield in Vero cells in the presence of 100 μg/ml of either compound ^cAs determined in Vero cells. Minimal toxic concentration, or correlation required to other normal cell morphology