Lassa fever: another threat from West Africa

Table 1 Mortality rate in LF patients treated with ribavirin [39]

Risk group	Treatment onset (days from symptom onset)	Mortality rate
Risk group	Treatment onset (days from symptom onset)	No treatment (%)	Oral ribavirin (%)	Intravenous ribavirin (%)
AST >150 IU	All cases	55	14*	19*
	Within 6 days	61	20*	5*
	After >7 days	52	11*	26*
Viremia >10^3.6 TCID₅₀	All cases	76	30*	32*
	Within 6 days	75	20*	9*
	After >7 days	78	40*	47*
Viremia <10^3.6 TCID₅₀	All cases	28	7*	9*

ISSN: 2054-314X