According to data published today by the World Health Organization (WHO) and UNICEF Global childhood immunization coverage stalled in 2023, leaving 2.7 million additional children un- and under-vaccinated compared to pre-pandemic levels in 2019. The latest WHO and UNICEF estimates of national immunization coverage (WUENIC) – which provide the world’s largest and most comprehensive dataset on immunization trends for vaccinations against 14 diseases underscore the need for ongoing catch-up, recovery and system-strengthening efforts.
UNICEF Executive Director Catherine Russell quoted “The latest trends demonstrate that many countries continue to miss far too many children.” “Closing the immunization gap requires a global effort, with governments, partners, and local leaders investing in primary healthcare and community workers to ensure every child gets vaccinated, and that overall healthcare is strengthened.” According to the findings, the number of children who received three doses of the vaccine against diphtheria, tetanus and pertussis (DTP) in 2023 a key marker for global immunization coverage stalled at 84% (108 million). However, the number of children who did not receive a single dose of the vaccine increased from 13.9 million in 2022 to 14.5 million in 2023.
More than half of unvaccinated children live in the 31 countries with fragile, conflict-affected and vulnerable settings, where children are especially vulnerable to preventable diseases of disruptions and lack of access to security, nutrition, and health services. Also, 6.5 million children did not complete their third dose of the DTP vaccine, which is necessary to achieve disease protection in infancy and early childhood.
These trends, which show that global immunization coverage has remained largely unchanged since 2022 and more worryingly has still not returned to 2019 levels, reflect ongoing challenges with disruptions in healthcare services, logistical challenges, vaccine hesitancy and inequities in access to services.
The data further show that vaccination rates against the deadly measles disease stalled, leaving nearly 35 million children with no or only partial protection.
Dr Tedros Adhanom Ghebreyesus, WHO Director-General quoted “Measles outbreaks are the canary in the coalmine, exposing and exploiting gaps in immunization and hitting the most vulnerable first and this is a solvable problem. Measles vaccine is cheap and can be delivered even in the most difficult places.
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