Back to Search
Start Over
Vaccine Delay and Its Association With Undervaccination in Children in Sub-Saharan Africa.
- Source :
-
American Journal of Preventive Medicine . 2021 Supplement 1, Vol. 60 Issue 1, pS53-S64. 12p. - Publication Year :
- 2021
-
Abstract
- <bold>Introduction: </bold>Improving the timeliness and completion of vaccination is the key to reducing under-5 childhood mortality. This study examines the prevalence of delayed vaccination for doses administered at birth and age 6 weeks, 10 weeks, 14 weeks, and 9 months and its association with undervaccination among infants in Sub-Saharan Africa.<bold>Methods: </bold>Pooling data across 33 Sub-Saharan Africa countries, vaccination timing and series completion were assessed for children aged 12-35 months who were included in the immunization module of the Demographic and Health Surveys conducted between 2010 and 2019. Survey design-adjusted logistic regression modeled the likelihood of not fully completing the basic immunization schedule associated with dose-specific delays in vaccination. Data were obtained and analyzed in May 2020.<bold>Results: </bold>Among children with complete date records (n=70,006), the proportion of children vaccinated with delays by ≥1 month was high: 25.9% for Bacille Calmette-Guerin (at birth); 49.1% for the third dose of pentavalent combination vaccine (at 14 weeks); and 63.9% for the first dose of measles vaccines (at 9 months). Late vaccination was more common for children born to mothers with lower levels of educational attainment (p<0.001) and wealth (p<0.001). Controlling for place, time, and sociodemographics, vaccination delays at any dose were significantly associated with not completing the immunization schedule by 12 months (Bacille Calmette-Guerin: AOR=1.93, [95% CI=1.83, 2.02]; pentavalent 3: AOR=1.50 [95% CI=1.35, 1.64]; measles: AOR=3.76 [95% CI=3.37, 4.15]).<bold>Conclusions: </bold>Timely initiation of vaccination could contribute to higher rates of immunization schedule completion, improving the reach and impact of vaccination programs on child health outcomes in Sub-Saharan Africa.<bold>Supplement Information: </bold>This article is part of a supplement entitled Global Vaccination Equity, which is sponsored by the Global Institute for Vaccine Equity at the University of Michigan School of Public Health. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 07493797
- Volume :
- 60
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- American Journal of Preventive Medicine
- Publication Type :
- Academic Journal
- Accession number :
- 147343669
- Full Text :
- https://doi.org/10.1016/j.amepre.2020.10.003