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● Introduction● Global vaccination coverage in 2022 (see) ● Vaccines containing diphtheria, tetanus and pertussis (see) ● Vaccines containing measles (see) ● Other vaccines (see) ● Summary (see) ● Updates from this website More information, bibliography and recommended links (see) |
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● The epidemic has had a negative impact on childhood immunization programs around the world, which is why childhood vaccination coverage generally declined in 2020 and 2021. World vaccination trends in 2022 compared to 2021 are discussed, showing some recovery, albeit uneven. ● Global coverage of the first dose of DPT vaccine increased from 86% to 89%, and that of the first dose of measles vaccine increased from 81% to 84%, but has not yet returned to pre-pandemic numbers in 2019, i.e. 90% and 86% respectively. ● Coverage recovery is unevenly distributed across regions and countries, with low-income countries recovering more slowly. ● Children who are not vaccinated at the appropriate age are concentrated in low- and middle-income countries and often do not have the opportunity to make up for missed vaccinations. Therefore, restoring lost vaccinations is a primary goal. ● While high-income countries are showing better trends, this is not the case in the UK, which worries them as they detect no signs of improvement in some vaccination coverage. |
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The COVID-19 pandemic has had a negative impact on childhood immunization programs around the world, leading to widespread, albeit varying, declines in childhood vaccination coverage in 2020 and 2021.
The World Health Organization established the Expanded Program on Immunization in 1974 with the goal that all children worldwide receive a minimum level of vaccination (diphtheria, tetanus, pertussis, polio, measles, and tuberculosis). Since then, the vaccination program (WHO recommendation, March 2023) has continued to expand, with new vaccines being administered globally and among populations in special circumstances.
In 2020, the World Health Organization released the Immunization Agenda 2030, one of its main goals is to reduce by 50% the number of children who have not received any dose of diphtheria, tetanus and pertussis (DTP) vaccine by 2030. But the outbreak of the pandemic paralyzed the deployment of planned measures.
In 2021, due to the impact of the epidemic on global vaccination plans, vaccine coverage hit its lowest level in the past decade, and the number of children with zero vaccinations increased by 40% in the first year.
This report discusses world vaccination trends in 2022, showing some recovery, albeit uneven.
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The data used to prepare this report have been collected and analyzed by the World Health Organization and UNICEF and recently published (Kaur G, MMWR Morb Mortal Wkly Rep 2023; Kaur G, Weekly Epidemiol Rec 2023).
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Vaccine containing diphtheria, tetanus and whooping cough
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Vaccines containing measles ingredients
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Other vaccines
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In 2022, global coverage of the first dose of DTP vaccine increased from 86% to 89%, and that of the first dose of measles vaccine increased from 81% to 84%, but has not yet returned to pre-pandemic 2019 levels. numbers, 90% and 86% respectively.
Furthermore, recovery in coverage has been unevenly distributed across regions and countries, with low-income countries recovering more slowly. The global distribution of zero-dose and incompletely vaccinated children in 2022 highlights equity issues in immunization coverage and the current challenges faced by many low- and lower-middle-income countries.
Children who are not vaccinated at the appropriate age and are concentrated in low- and middle-income countries often do not have the opportunity to make up for missed vaccinations. If these groups are not vaccinated, it will lead to an increasing number of susceptible people, which may have consequences for the entire population. Therefore, restoring lost vaccinations is a primary goal.
While high-income countries are showing better trends, this is not the case in the UK and they are concerned as they are seeing no signs of improvement with some vaccination figures falling; for example, in the London area, at least 25% of 5-year-olds Not yet had second dose of measles (Bedford H, BMJ 2023).
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For more information please visit this website
Bibliography and recommended links
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