Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 Published on 2021-05-212022-10-30 Journal: Morbidity and Mortality Weekly Report [키워드] COVID-19 estimate Interim Moderna Pfizer-BioNTech [Category] COVID-19, PMC URL [DOI] 10.15585/mmwr.mm7020e2 [Article Type] Full Report [Source] PMC All Keywords 【제목키워드】 COVID-19, estimate, Pfizer-BioNTech, Moderna, Interim,