USAID has spent $2 billion supporting vaccines through GAVI. In research, published in AEJ:Economic Policy, Kartini Shastry and I find GAVI saved 1.5 million lives at a low cost of $9,000 per child saved. See the writeup of our research in VoxDev: voxdev.org/topic/health...
Effective health aid: Evidence from Gavi’s vaccine programme
Coordinated health aid for vaccination has increased coverage rates and saved the lives of children around the world.
voxdev.org