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Vaccination inequality and social determinants in Brazil during the COVID-19 pandemic

2025-10-03 epidemiology Title + abstract only
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Brazils vast geographic and socioeconomic diversity has contributed to heterogeneous responses to the COVID-19 pandemic, particularly regarding vaccine distribution. This ecological study examined inequality in COVID-19 vaccine administration across 5,568 Brazilian municipalities from 2021 to 2023. Vaccination coverage was estimated using the vaccination coefficient, and inequality was assessed via the Gini index. We further analyzed associations between vaccine distribution inequality and socio...

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