Dr. Barry Dworkin

Approval of 3rd dose of Pfizer COVID-19 vaccine for adults by Health Canada makes it official that this is a three-dose series vaccine. #VaccinesWork

Medical Mythbusting Commentary for November 10, 2021

Source:
Pfizer COVID-19 vaccine booster for adults authorized in Canada

Related posts:

  1. Short-lived common side effects including fever, chills, pain, and headache after mixing AZ with Pfizer vaccine reported in @TheLancet. Immunogenicity results to be reported in June and if mixing is a viable option (likely but assumption needs evidence).
  2. NACI recommends second dose Pfizer/moderna vaccine for those who had AZ as their first dose.
  3. What should your #seconddose of #covidvaccine be if 1st was AZ? Factors include wait-time/availability, Delta variant prevalence, occupational risks, and study evidence. Answer seems to leaning to Pfizer or Moderna as 2nd dose of choice.
  4. Third dose of COVID-19 vaccine now available for higher-risk populations in Ontario. #vaccineswork