The primary objective of this study was to estimate the effectiveness and waning of effectiveness in adults and adolescents (heterologous vs homologous primary vaccinations), children (vaccinations vs non-vaccination), or homologous or heterologous booster vs no booster. The secondary objective was to estimate the effectiveness of booster against all-cause mortality in adults 60+.
Part of a Larger Initiative
This study is part of the CoVE project.
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