Alliance for Pandemic Preparedness

February 11, 2021

Impact of COVID-19 Vaccination Program on Healthcare Worker Infections in an Academic Hospital

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An academic hospital in Virginia reported a 25% decrease in health care worker (HCW) SARS-CoV-2 infections 6 days after beginning employee immunizations. Vaccines included both the Pfizer vaccine initiated on December 12, 2020 and the Moderna vaccine initiated on December 28, 2020. After achieving 60% vaccination coverage of the 1st dose, infections decreased by 50%. Other infection control measures were concurrently implemented with vaccination, including limiting visitors, stricter mask and face shield policies among employees, and adjustments to improve physical distancing.

Dunbar et al. (Feb 10, 2021). Impact of COVID-19 Vaccination Program on Healthcare Worker Infections in an Academic Hospital. Infection Control & Hospital Epidemiology. https://doi.org/10.1017/ice.2021.62