On March 28, 2026, HLN released a new version of the open-source Immunization Calculation Engine (ICE) software with several clinical logic and technical enhancements. HLN is also pleased to introduce CDS Insight, a new platform designed to streamline the demonstration and testin...

The SAGE meeting highlights have been published in form of a SAGE Digest Webinar following the March meeting (9-12).   Click here to watch the video summary:  The discussion covered: Global and Regional Reports Immunization Agenda 2030  COVID-19  Typhoid  Polio...

Dear Colleaques, Happy to share with you the latest edition of my newsletter titled "POLIO 2026 - Second eradication target, and the endgame is getting more expensive, not less."   Pakistan and Afghanistan remain a single transmission corridor for wild poliovirus type 1. Environmental detect...

Switching from sepaetae pentavalent +IPV to Hexavalent vaccine will reduce the logistic, storage and nos of injection as well as price, so what is the purpose of doing cost analysis?...

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?...

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...

Dear colleagues, I am pleased to share the latest edition of the Immunization for Resilience Newsletter, featuring Nigeria’s polio elimination challenge and the unfinished business of interrupting cVDPV2 transmission. Field reality Mid-morning at the Sokoto–Zamfara border. A vaccination team finds...

Dear Colleagues, I’m pleased to share a concise analysis of the polio situation in Angola drawing on WUENIC 2024 coverage estimates, 2025 evolution and insights from IMB 2025 report. Feedback and additional insights from the TechNet community are most welcome. Angola has already surpassed its 2024...

Dear Colleagues, In the familiar Rivimba Delta, fragile systems, insecurity, and stretched supply lines meet urgent public health demands. One cold chain, one fleet, one community, four simultaneous threats. 📌 This week’s edition of Immunization for Resilience Newsletter explores: 🔻How to run one...

Colleagues,I am sharing a concise analysis of Cameroon’s WUENIC 2024 results with targeted, system-level recommendations. The brief synthesises a decade of trends (2015–2024), highlights equity gaps, and proposes practical fixes aligned with IA2030.Key findings (snapshot):-HepB birth dose remains at...

Some countries introduced one dose of IPV in 2015, switched from tOPV to bOPV in 2016, and introduced a second dose of IPV in 2021. These countries are at low risk for polio importation or transmission. Can these countries discontinue the use of bOPV and switch to IPV only for routine immunization?...

Those countries maintaining polio-free status for the last ten years and sustaining OPV3 coverage of more than 95%, and that have introduced two doses of IPV vaccine into the routine immunization schedule. Some countries are still giving the OPV zero dose. Do they need to give OPV zero mandatorily o...

On June 27, 2025, HLN released a new version of the Immunization Calculation Engine (ICE) software, bringing important updates and enhancements to ICE vaccine evaluation and forecasting. This latest release, v2.47.1, delivers improved logic, enhancements, and alignment with current im...

The Department of Polio Eradication of the World Health Organization (WHO) is seeking experts to serve as members of the Containment Working Group (CWG) of the Global Commission for the Certification of Eradication of Poliomyelitis (GCC). Please see here for information on how to apply. Applica...

Greetings everyone, I have a query regarding the storage of OPV (Oral Polio Vaccine). If I were to store OPV in a freezer with temperatures ranging from -15 to -25 degrees Celsius, but it gets exposed to higher temperatures of -8 to -10 degrees Celsius during power outages, I'm curious about the fo...

A significant change in the polio eradication and broader global health landscape is the Mid-term evaluation of the implementation of the Strategic Action Plan on Polio Transition (2018 - 2023). The evaluationprovides recommendations to support polio transition stakeholders to strengthen health...

Would you like to know more about using DHIS2 for disease surveillance, early warning and outbreak detection? We invite you to join us for a high-level introduction to Disease Surveillance organized by the University of Oslo which will take place on 28 April (in French) and 4 May (in English). This ...

Dear Colleagues, I would like to bring to your attention that the Summary Tables of WHO Routine Immunization Recommendations have been updated. The latest versions (November 2021) of the Summary Tables (available in both FRENCH and ENGLISH) can be downloaded from the WHO website (htt...

Dear all  We are happy to share that we could make some dent in improving the COVID-19 Vaccination programme. Hope the following will also make favourable improvement in the programme. India is committed, eradicated polio. Emergence and re-emergence of diseases is a natural process but yet ti...

I wish to add to the very practical and sensible Robin and Rafael discussions on Covid-19. There should be more specific stability data provided for the candidate vaccines. ULT is really a non-reality for logistics in terms of cost and maintenance for LMIC countries for a country wide pandemic (vers...