Agree with @YoniFreedhoff & @dgardner on the latest NACI statement about the risk of AZ vaccine: “So many facepalms” & “If I were writing a chapter on risk communication, I would use what NACI has done to illustrate every possible mistake”, respectively.

Dr. Barry Dworkin

Medical Mythbusting Commentary for May 4, 2021

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Source:
NACI advice on ‘preferred vaccines’ for COVID-19 sparks confusion, anger

Related posts:

  1. Will Covid vaccine mixing be adopted as health policy? They use different delivery systems carrying the genetic instruction set to produce the same spike protein, ergo ongoing studies are evaluating clinical outcomes to determine if assumption is true.
  2. Risk calculus and interpretation changing in Ontario. Public Health recommends suspending first dose of AZ vaccine pending further data analysis. Outcome even if in favour of resumption will not change the erosion of public confidence.
  3. 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).
  4. 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.