1. WHO and UNICEF. United Republic of Tanzania: WHO and UNICEF estimates of immunization coverage: 2018 revision.
2. Saxenian H, Brenzel L, Ewald L, O’Connell M. 4 things Ministers of Finance need to know about immunization in Gavi transitioning countries; 2019. [Online]. Available: https://lnct.global/lnct/blog-4-things-ministers-of-finance-need-to-know-about-immunization-in-gavi-transitioning-countries/. [Accessed August 2019].
3. Challenges to sustainable immunization systems in Gavi transitioning countries;Cernuschi;Vaccine,2018
4. Global Vaccine Action Plan. 2011–2020. World Health Organization; 2013.
5. Costs of vaccine programs across 94 low- and middle-income countries;Portnoy;Vaccine,2015