Published on in Vol 23, No 8 (2021): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/29759, first published
.
1 HealthEnabled, Cape Town, South Africa
2 UNICEF, Juba, SS
3 Data and Analytics Unit, Department of Analysis, Planning & Monitoring, UNICEF, New York, NY, United States
4 Gavi, the Vaccine Alliance, Health Information Systems and Digital Health Information, Geneva, Switzerland