TABLE 2.

Description of the Datasets Extracted From the Tanzania Immunization Registry and Zambia Electronic Immunization Registry

TanzaniaZambia
Arusha RegionKilimanjaro RegionTanga RegionSouthern Province
Number of districts66813
Number of facilities283292330551 (static and outreach sites)
Number of unique individuals137,13035,08489,74096,617
Number of records1,606,776206,871671,5621,323,264
Date range of EIR records (including back-entered data)January 2015 – April 2018January 2015 – April 2018January 2015 – April 2018January 2015 – August 2018
Date range of EIR introductionJune 2016 – March 2017December 2017 – February 2018July 2017 – August 2017July 2017 – March 2018
  • Abbreviation: EIR, electronic immunization registry.