Table 1.

Regions/province included in the analysis and number of facilities and children

Country	Region/ province	No of districts	No of health facilities with EIR software deployed	No of children aged 0–12 months	EPI annual target population for the country (2017)24
Tanzania	Arusha	7	285	133 571*	2 083 000
Tanzania	Tanga	11	327	96 950*
Tanzania	Kilimanjaro	7	312	88 233*
Zambia	Southern	13	294	78 071†	618 000

*Census data on EPI target population.

†Data from Southern Province EIR.

EIR, electronic immunisation registry; EPI, expanded programme on immunisation.