Yek C, Warner S, Wiltz JL, Sun J, et al. Risk Factors for Severe COVID-19 Outcomes Among Persons Aged >/=18 Years Who Completed a Primary COVID-19 Vaccination Series - 465 Health Care Facilities, United States, December 2020-October 2021. MMWR Morb Mortal Wkly Rep 2022;71:19-25.
PMID: 34990440