Key Concept

Key Evidence: Indian children in households from the lowest wealth quintile were 30-95% more likely to be delayed in their vaccinations than those from the wealthiest households [depending on the vaccine]. Delayed vaccination increases the window of susceptibility to vaccine preventable diseases and can lead to outbreaks.

From the VoICE Editors: Data in this analysis was from the National Family and Health Survey 4. 

Choudhary TS, Reddy NS, Apte A et al. 2019. Delayed vaccination and its predictors among children under 2 years in India: Insights from the national family survey-4. Vaccine. 37(17).
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Key Evidence: In Tanzania, poverty was found to have a negative effect on receiving vaccines on time (at the recommended age). Children in the wealthiest quintile experienced 19% fewer delays for BCG vaccination, 23% fewer delays for the third dose of DTP vaccination, and 31% fewer delays for the first dose of measles-containing vaccine compared to children of the poorest quintile.

Le Polain de Waroux, O., Schellenberg, J.R., Manzi, F., et al. 2013. Timeliness and completeness of vaccination and risk factors for low and late vaccine uptake in young children living in rural southern Tanzania.. International Health. 5(2).
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