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Observational study shows COVID-19 vaccines reduce severe acute respiratory infections in Ghana, suggesting a protective effect.
COVID-19 vaccines may have prevented COVID-19-associated SARI hospitalizations in the first 6 months over the study period in Ghana, and a pattern of protective effective was observed, consistent with report from other settings, although effect estimates were imprecise.
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Amoako et al. (2026) studied this question.
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