Omicron: Vaccine Effectiveness
COVID-19: Omicron Transmissibility, Severity, and Vaccine Effectiveness

Released: February 22, 2022

Expiration: February 21, 2023

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In this episode, Sharon R. Lewin, AO, FRACP, PhD, FAHMS, discusses what is known about the SARS-CoV-2 omicron variant, including:

  • Transmissibility and infectiousness
    • Immune evasion
  • Disease severity
    • Risks of hospitalization and death
  • Vaccine effectiveness  
    • 2- vs 3-dose vaccine effectiveness
    • T-cell response