Register for the webinar here Dear TechNet members, New year, new Vaccine Procurement Practitioners Network (VPPN) webinar series!Join us on Thursday, 5 February, at 1pm GMT+1, for the first webinar in our 3-part series on strategic vaccine procurement. It will give you valuable inf...

A recent VaccinesWork blog post reflects on the Zero-Dose Learning Hub’s accomplishments during 2025, highlighting how implementation research was translated into practical tools, guidance, and shared learning. Drawing on experience from Bangladesh, Mali, Nigeria, and Uganda, the blog post shows how...

Dear colleagues and friends, As I prepare to turn a milestone in my life and retire after more than 28 wonderful years with the World Health Organization, I find myself reflecting on the incredible journey that has unfolded. I would like to express my deep gratitude to the World Health Organizatio...

The Zero-Dose Learning Hub has updated its collection of implementation research synthesis and posted the final semiannual reports from Bangladesh, Mali, Nigeria, and Uganda. These resources move beyond high-level theory to examine the specific drivers of under-immunization and the delivery strategi...

Leveraging Chap and the DHIS2 platform for stock forecastingTuesday, 27 January 2026 14:00 – 15:00 CET Virtual - En ligne Le webinaire disposera d’une interprétation simultanée en françaisReliable health supply chains are vital for patient care, and stock availability serves as a key performance ind...

Good day, We are looking for free or WHO-supported tools to manage preventive maintenance (PM) for vaccine cold chain equipment. Our goals are: Schedule routine maintenance for refrigerators, cold rooms, and freezers Track asset inventory and maintenance history Align documentation w...

Reaching zero-dose children requires evidence that can be applied in real programs and policy decisions. A new post on Gavi’s VaccinesWork blog shows how the Zero-Dose Learning Hub is translating implementation research from Bangladesh, Mali, Nigeria, and Uganda into practical tools and insights tha...

The Zero-Dose Learning Hub, led by JSI, has released its October 2025 semiannual reports, sharing new implementation research and system insights from Bangladesh, Mali, Nigeria, and Uganda. These findings offer practical lessons for practitioners and program leaders, highlighting the factors that co...

The IA2030 mid-term review has just been published on the WHO website:  https://www.who.int/publications/m/item/immunization-agenda-2030--mid-term-review Here's a short summary of the document. The document provides a timely assessment of global immunization progress at the halfway poin...

I believe that IPV vaccine is avaliable with VVM 14 and 30. VVM 14 color changes faster, can we use IPV with VVM 30 for immunization program? Any price difference between VVM 14 and 30? Can someone help to respond?...

Dear colleagues,   I am pleased to share our recent publication evaluating the use of mobile-money payments during Côte d’Ivoire’s October 2023 national polio immunization campaign. The study analyzes the financial implications of shifting from cash to digital disbursement and provides eviden...

Dear colleagues, I am sharing a recent article on vaccination timeliness that I found very interesting in the context of assessing immunization programme performance (in additon to, say, coverage): "Vaccination timeliness is a key measure of immunisation system performance: A call to address priori...

TechNet has published a new page that contains a huge list of user guides for WHO-PQS prequalified cold chain equipment temperature monitoring devices. It is organised into the following sections: Shipping indicators Freeze indicators Threshold indicators Vaccine Vial Monitors (VVM) Remote te...

This is a bittersweet announcement. My boss, colleague, mentor, and friend Souleymane ('Solo') Kone, logistician extraordinaire, is retiring at the end of this month. He is far too modest to mark the event, and would likely slip quietly away into the Malian sunset if he was permitted to do so... Bu...

Dear colleagues - As many of you are already aware, New Horizons will be concluding our operations by end of this year. To minimize disruption to countries and partners, we have worked diligently over the past months to identify and transition a variety of critical tools and workstreams to oth...

The Zero-Dose Learning Hub has launched a new toolkit to help country teams, partners, and technical groups apply theory-based evaluation to strengthen immunization programming. The resource offers practical guidance on developing and revisiting theories of change, clarifying assumptions, and mappin...

Which indicator is best to calculate drop out rate for Penta 1 to 3  1. MR 1st dose to Penta 3rd dose 2. Penta 1st dose to Penta 3rd dose ...

How to classify between primary and secondary vaccine failure? Can some one help respond? Thanks...

The Immunization Economics Community of Practice are holding a webinar on 10 December 2025 at 15:00 Central European Time on the cost of reaching zero-dose children, click here to register now! Presenters will share a global synthesis of the evidence on the cost of reaching zero-dose children, as w...

I believed even countries maintaining high routine immunization coverage for OPV and IPV also detected cVDPV 3 or Type I poliovirus in enviromental sample, so whether cVDPV or type 1 polio virus is imported or mutated originated strain within the country. 1. If it is imported what could be the mode...