Vitamin A deficiency and vitamin A fortification [November 2017]

	A	B	C
1		Value	Notes
2	Baseline / control group VAD prevalence estimate in populations studied in trials included in Imdad et al. 2017	58.92%	Average of our estimates of baseline or control group rates of vitamin A deficiency in trials included in Imdad et al. 2017, weighted by each trial's weight in Imdad et al. 2017's random-effects meta-analysis. See "Imdad 2017 - VAD prevalence estimates" sheet for details.
3	Estimate of current VAD rates among preschool-aged children in countries where HKI worked between 2013 and 2016	17.34%	Average of our estimates of current rates of vitamin A deficiency in countries where HKI works, weighted by HKI's spending on VAS programs between 2013 and 2016. See "VAD in HKI-supported countries" sheet for details.
4	Estimate of current VAD rates among preschool-aged children in countries where HKI would work with additional funding, funding gap 1 countries	20.00%	Burkina Faso, Guinea, and Mali
5	Estimate of current VAD rates among preschool-aged children in countries where HKI would work with additional funding, funding gap 1 and 2 countries	18.59%	Burkina Faso, Guinea, Mali, Cote d'Ivoire, and Niger
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