COVID-19 Vaccination Effectiveness Against Infection or Death in a National U.S. Health Care System : A Target Trial Emulation Study. uri icon

authors

  • Ioannou, George N
  • Locke, Emily R
  • Ann M. O'Hare
  • Bohnert, Amy S B
  • Boyko, Edward J
  • Hynes, Denise M
  • Berry, Kristin

publication date

  • January 1, 2021