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The New England Journal of Medicine|September 22, 2021
Effectiveness of mRNA Covid-19 Vaccine among U.S. Health Care PersonnelTamara Pilishvili, Ryan Gierke, Katherine E Fleming-Dutra, et al.
MMWR. Morbidity and Mortality Weekly Report|May 20, 2021
Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel - 33 U.S. Sites, January-March 2021Tamara Pilishvili, Katherine E Fleming-Dutra, Jennifer L Farrar, et al.
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