Vitamin A supplementation (0-4 years)
Estimates are sourced in their native units and shown for comparison, not as literal costs. Sources use different frameworks — see each card for what it represents and how it was derived.
WHO-CHOICE estimates are modeled at 50% population coverage, compared against the null set (no intervention) under generalized cost-effectiveness analysis. View WHO-CHOICE methodology →
$/DALY sources within 2.5x - treat as comparable, not ranked.
Modeled regional estimates — not realized delivery costs.
GiveWell’s published mortality & grant figures per geography. Click any × cash value for full provenance and GiveWell’s own DALY-approx.
Different framework — not comparable to the $/DALY axis. Native unit is multiples of cash transfers.
range $9–$23/DALY. Varied methods — not directly comparable.