Vaccine Mix And Match

• U.S. to accept mixed COVID-19 vaccine doses for international travellers, CDC says  

  The statement confirmed that people who have any combination of FDA approved or WHO emergency use COVID-19 two-dose series of vaccines are considered fully vaccinated.

  Canada

  Oct 15, 2021
  
• B.C. expected to allow mixing and matching for second COVID-19 vaccine dose

  The federal National Advisory Committee on Immunizations has recommended it's safe for those who received AstraZeneca first to receive Pfizer or Moderna as a second dose.

  Health

  Jun 1, 2021
  
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• AstraZeneca 1st dose, Pfizer 2nd: Study says combination is safe and effective

  Spain embarked on the study to determine how best to proceed after limiting AstraZeneca's shot to people aged over 60 due to concerns about blood clotting in younger people.

  World

  May 18, 2021