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Deploy electronic immunization registry to allow HCWs and CHWs identify, track and re-enrol back defaulters into immunization services

This is the technology and community engagement based innovation that aims to reduce the # of under vaccinated population in urban areas

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Describe what you intend to do and how you'll do it in one to two sentences (required 350 Characters)

CHAI Tanzania intends to upgrade and deploy Electronic Immunization Registry (EIR) to identify and track un/under vaccinated populations in urban areas. CHAI will use the SMS reminder and enhanced GPS tracking features on existing EIR to follow up under-vaccinated population and map residential areas by vaccination statuses to streamline planning

Explain the innovation (2,500 characters)

At least 7% underfive in need of immunization are not been vaccinated in Tanzania’s urban settings despite national wide high coverage of 90+ percent. Unfortunately, the existing paper-based system used to register clients at H/Fs, makes it difficult for the understaffed H/Fs to identify and track under immunized populations. In addition, there is no system in place that provide visibility of population patterns by geographical locations and vaccination statuses. In recent years, Tanzania has adapted a computerized immunization registry from the standards Electronic Immunization Registry (EIR) to fit country’s needs. The tool is currently implemented in 7 regions of Tanzania and has shown considerable success in capturing vaccination records. Tanzania EIR track registrations and each individual’s vaccinations that allows for individualized follow-up and help to ensure that immunization clients receive all necessary vaccinations even if the clients transfer to another area of the country. However, this tool has no link with the Geo coordinates for H/Fs providing immunization services and for the person who is supposed to receive immunization service. The GPS tracking is important to monitor the movement of people in relation with the site of immunization service provision. Use of Geo codes provides possibility for locating whereabouts of immunization defaulters. EIR is an open source platform developed by Mohawk university. It is current being used in many countries and can accommodate multilingual environment depending on locality where one operates. Since 2018, CHAI and IVD programme have been using EIR to identify immunization defaulters and CHWs for tracking within nomadic populations. This innovation worked within this subpopulation as the % of defaulters markedly decreased over time from 11% in 2017 to 7% in 2018. Inclusion of the proposed improvements into the tool (EIR), incorporation of SMS reminders to caregivers and deployment of CHWs are jointly anticipated to yield even better results when deployed in urban setting. The primary beneficiary of this innovation is underfive and caretakers living in poor urban and peri-urban settings. The innovation will allow HCWs and CHWs to identify the areas with high # of children who have missed out doses and plan for mobile sessions. The innovation will not only contribute to the improvement of coverage and reduction of dropout rates but also benefit other child health or primary healthcare services

Which part(s) of the world does this innovation target?

  • Eastern Africa

Geographic Focus

Two major cities of Tanzania as listed below - Dar es salaam city (5 out of 5 districts) - Mwanza city (2 out of 8 districts)

Stage of Innovation

  • Majority Adoption

Who will work alongside your organization in the project idea? (1,000 characters)

CHAI will partner with the MoH through IVD programme and local government to implement this innovation in poor urban settings. Under IVD leadership,CHAI will collaborate with PATH to enhance the GPS tracking features within EIR. In addition,CHAI will partner with local government in identified regions during planning and to deploy CHWs for mapping of informal settlements and follow up immunization defaulters. CHAI has strong track record in partner engagement during implementation range of immunization work streams.Over the past 3 years CHAI partnered with PATH and JSI in the development, deployment, piloting of Electronic Immunization System. Success from the pilot led to national wide rollout. Through collaboration with UNICEF and IVD, CHAI was able to pilot use of SDD fridges, technology which was later on adopted for rollout under Gavi support.Close collaboration with Ngorongoro district led to implementation of immunization defaulter among the Masaai community using EIR and CHW

How is your idea unique? (750 characters)

Adaptation of EIRs has been evolving in many developing countries in recently years. However, this tool has no link with the Geo codes for H/Fs providing immunization services and for the person who is supposed to receive immunization service. The GPS tracking is important to monitor the movement of people in relation with the site of immunization service provision. Use of Geo codes provides possibility for locating whereabouts of immunization defaulters. Our innovation also calls for mapping residential areas by vaccination status and geographies in highly mobile urban population, use of SMS reminders, GPS tracking and CHWs to track immunization defaulters and making this idea unique in reaching last mile populations.

What is the name of your organization


Explain your organization (250 characters)

CHAI has entered Immunization arena in the country in 2012 and has since forged excellent partnership with the central government and its agencies (Immunization and Vaccine Development, Medical Store Department) and Local government (PORALG).

Organizational Characteristics

  • Female-led organization
  • Community-led organization (CBO)

Gender and Diversity (500 characters)

CHAI is committed to an inclusive and open environment that values all members of diverse staff. We promote an environment that values each member equally and does not tolerate any form of discrimination. An inclusive workplace is one where the human rights and principles of fairness, respect, equality, dignity and autonomy are promoted and integrated into our organization’s everyday goals and behavior. CHAI firmly believe that freedom from discrimination is a basic human right for all staff.

Organization Location (less than 250 Characters)

Clinton Health Access (CHAI) Tanzania is legally registered in Tanzania under NGO Act. 2 Certificate No. 00001348 of June, 2010 Headquarters: Clinton Health Access Inc, is registered in September 29, 2009. Arkansas, USA Arkansas Secretary of St

Size of organization (number of employees):

  • 21-100 people

Website URL

Scale of organizational work

  • Community (working within one or a few local communities within a region)

Tell us more about you

Dr. Esther Mtumbuka –Country Director with CHAI Tanzania Over 15 years in Public health supporting health sector within and outside Tanzania. Lead in strategic guidance. David Kayabu – Computer Science and IT background. Over 9 years working in health sector in Tanzania supporting M&E tools development, immunization strategic information support within IVD and recently rollout of Immunization Electronic System Joan Mungereza – Over 10 years working with Local government within Tanzania supporting HR for health. Has been lead officer in the CHAI’s management of community immunization workstream interphasing with H/Fs, CHWs, communities and local government authorities of Ngorongoro.

Applying to Gavi INFUSE

  • Gavi Website
  • Received an Email
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Team (2)

David's profile
Bahati's profile
Bahati Sambayuka

Role added on team:

"Bahati is Computer Scientist by professional. He has huge experience in systems design and software development. Over 3 years supporting health information systems"


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