Table 4. Model input parameters: infant mortality.

Variable	Base-Case Value	Range for Sensitivity Analyses	Data Source
Probability of live birth	95.7%–98%	95%–99%	MOHCW [57]
Relative increase in infant mortality if maternal death occurs	2-fold increase	2- to 6-fold increase	[39]–[42]
HIV-unexposed children	1-y risk: 5.4%		[74]
	2-y cumulative risk: 5.9%
HIV-exposed, uninfected children	1-y risk: 7.4%		[75]
	2-y cumulative risk: 9.2%
HIV-infected children, no ART: intrauterine/intrapartum infection	1-y risk: 51.0%		[26]
	2-y cumulative risk: 65.0%
HIV-infected children, no ART: postpartum infection	1-y risk: 24.0%		[26]
	2-y cumulative risk: 38.0%
HIV-infected children, on ART	1-y risk: 9.5%		[77],[97]
	2-y cumulative risk: 12.0%

MOHCW, Zimbabwe Ministry of Health and Child Welfare.