The WHO/UNICEF estimates of national immunization coverage (WUENIC) for 2022 were released on 18 July. I would like to express my heartfelt appreciation to everyone who worked tirelessly to collate, analyse, interpret, and present the data so it was ready for release to the world. The data that make their way into the WUENIC estimates are collected day in and day out, year-round, in immunization programmes of every country
around the world. Those data are assessed and checked by immunization staff, before being verified and collated again at the national level. They are triangulated with additional data from surveys, vaccine stock data, and other information to further zero-in on the most likely coverage in countries and these are checked again with country programmes.
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Country profiles
Compendium of WUENIC resources
• Data portal link
• WHO WUENIC resources with interactive country profiles and vaccine-specific data.
• Press release: Childhood immunization begins recovery after COVID-19 backslide
• Summary: WUENIC 2023
• Q&A on WUENIC 2023
• The Lancet: The big catch-up in immunization coverage after the COVID-19 pandemic:
progress and challenges to achieving equitable recovery
• Technical document: Progress and challenges with Achieving Universal Immunization Coverage
• Technical document: Input to the WHO/UNICEF Estimates of National Immunization Coverage
• UNICEF WUENIC resources: country profiles
• About WUENIC
Social media assets
Click here to access WUENIC 2023 social media tiles.
The Big Catch-up in action: success stories
WHO estimates that 25 million children missed out on vaccination in 2021 alone. Find out more about the successful vaccination campaigns underway to catch-up, recover and strengthen essential immunization.
Further resources
