Effectiveness of the Coronavirus Disease 2019 (COVID-19) Bivalent Vaccine
Background The purpose of this study was to evaluate whether a bivalent COVID-19 vaccine protects against COVID-19. Methods Employees of Cleveland Clinic in employment on the day the bivalent COVID-19 vaccine first became available to employees, were included. The cumulative incidence of...
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The risk of COVID-19 also varied by the number of COVID-19 vaccine doses previously received. The higher number of vaccines previously received, the higher the risk of contracting COVID-19 (Figure 2).
