2025 IHEA pre-congress presentations

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Day 1: Saturday July 19, 2025

The economics of reaching zero-dose children

8:30-8:45

Welcome and introduction to the community of practice

Welcome and introduction

Laura Boonstoppel, ThinkWell

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8:45-10:30

The cost of zero-dose-focused delivery strategies in hard-to-reach areas

The cost and efficiency of PIRI and MHNT compared with RI/RO to reach zero dose children in Afar and the Somali region in Ethiopia

Firew Bobo, Fenot Associates

Cost-effectiveness of drone delivery of vaccines to isolated satellite island communities for immunization outreaches in Uganda

Emmanuel Okiror Okello, EPI Uganda

The cost of immunizing zero-dose children through additional outreach sessions in Kaduna, Nigeria

Florence Sibeudu, Nnamdi Azikiwe University

Cost-effectiveness analysis of routine outreach and catch-up campaign strategies in Ethiopia: A modeling study

Senait Beshah, Ethiopia Public Health Institutes

Big catch-up: Cost of reaching ZD children through house-to-house registration and targeted outreaches in Uganda

Carol Kamya, IDRC

11:00-12:30

The cost of zero-dose-focused delivery strategies in urban settings

Cost of reaching ZD children through integrated outreach, clinics on wheels, and leveraging identification through polio house-to-house campaigns compared with routine delivery in Punjab and Sindh

Tahmeena Hassan, PHC Global

Incremental costs and impact of evening and weekend vaccination sessions: Lessons learnt from implementing the Zero-dose Reduction Operational Plan in Lagos state

Hadiza Salele, CHAI

Costing study of interventions to improve routine outreach to reach ZD in Addis Ababa

Alemnesh Angelo, CHAI

The cost of immunizing zero-dose children through additional outreach sessions in Lagos, Nigeria

Christina Banks, ThinkWell

13:30-14:45

Community-based demand-generation interventions

Estimating the cost of HCD-based targeted communication materials and community engagement to reach ZD children in urban India

Alan Noble John, JSI India

Cost and cost-effectiveness analysis of HCD-based targeted communication interventions for ZD children in high-burden regions of India

Devak Namdhari, CHAI India

Effectiveness and cost efficiency of active community-based surveillance augmented by referral slips on reducing zero-dose and under-immunized children in pastoralist/semi-pastoralist communities in Ethiopia

Alemnesh Teka, CORE Group Partners Project

15:15-16:15

Financial incentives & financial reform

Unraveling the cost of reaching the unimmunized children: Financing reforms in zero-dose reduction strategy in Indonesia

Saffana Hilmy Mahmudah, CHAI Indonesia

16:15-17:30

Summary, discussion, takeaways & next steps

All-country evidence synthesis

Laura Boonstoppel, ThinkWell

Day 2: Sunday July 20, 2025

Immunization financing and donor transitions

8:45-9:45

Gavi transition prep & increasing domestic resources for immunization

Gavi IF&S: Experiences from transitioning countries

Anthony Nguyen, Gavi

Intro: Are countries poised to successfully transition from donor support?

Logan Brenzel, independent consultant

Fiscal space options for sustainable immunization financing in Gavi’s accelerated transition phase countries: Evidence from the Republic of Congo and Sao Tome and Principe

Soazic Elise Wang Sonne, World Bank

Ghana’s transition journey: Lessons for countries & global reflections

Daniel Osei, Gavi Consultant

10:15-10:45

Immunization financing and donor transitions: How are LMICs managing the USG funding withdrawal?

Setting the scene: Effects of USG funding cuts on immunization programs

Brendan Kwesiga, UNICEF

10:45-12:15

Efficiency, prioritization, and vaccine portfolio optimization: Optimization experiences & best practices

The case for efficiency in immunization: Macro trends in aid efficiency and why optimization matters presenting two high-impact levers: VPOP and integration

Anithasree Athiyaman, CHAI

Kenya: Early adopter of low-cost PCV

Rose Jalang’o, NVIP, Kenya

Nigeria: Optimization of PCV and MR presentation to open fiscal space to consider new vaccine introductions

Dr. Bakunawa Garba Bello, National Primary Health Care Development Agency, Nigeria

Indonesia: CAPACITI and portfolio planning

Auliya Suwantika, NITAG Indonesia

13:15-14:30

Efficiency, prioritization, and vaccine portfolio optimization: Combination vaccines & Gavi policy

Gavi’s thinking for the 6.0 strategy

Maria Verykiou, Gavi

Exploring the value of combination vaccines

Mercy Mvundura, PATH

15:00-16:00

Efficiency, prioritization, and vaccine portfolio optimization: Capacity-strengthening to using economic evidence in decision-making for immunization programs

Lessons learned from the Global NITAG Network (GNN) Vaccine Economics Training

Natalie Carvalho, University of Melbourne

16:00-17:00

Efficiency, prioritization, and vaccine portfolio optimization: Tools & way forward

R-Shiny tool for immunization program analysis: An interactive web-based approach to estimating benefits, costs, ROI, and funding gaps

Salin Sriudomporn, Johns Hopkins University

Leveraging the Vaccine Impact Modelling Consortium for estimating health economic outcomes in low- and middle-income countries

Allison Portnoy, Boston University, and Kaja Abbas, London School of Hygiene & Tropical Medicine

IHEA 2025

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