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LL Liang, HS Kuo, HJ Ho, CY Wu - Journal of Global Health, 2021 - ncbi.nlm.nih.gov

COVID-19 vaccinations are associated with reduced fatality rates: Evidence from cross-county quasi-experiments.

quasi-experiments

Wu

GSID: b1kFXHvJY0IJ

Excerpt

Background Scientists have demonstrated the efficacy of vaccines against severe acute respiratory syndrome coronavirus 2 in randomized controlled trials. However, the extent to which reductions in COVID-19 case fatality ratio (CFR) are attributable to mass vaccination in the …

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