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AstraZeneca second dose: Should I get the same vaccine or choose Pfizer or Moderna? – The Conversation CA
Hundreds of thousands of Canadians got a shot of AstraZeneca’s COVID-19 vaccine for their first dose. They now have a choice for their second dose: AstraZeneca…

People in Canada whose first dose of COVID-19 vaccine was AstraZeneca have a choice to make: They can either choose one of the mRNA vaccines (Pfizer or Moderna) or another dose of AstraZeneca for their second shot.
The saga of AstraZenecas COVID-19 vaccine has been complicated. Clinical trials and real-world data from the United Kingdom have demonstrated its superb efficacy against severe illness and hospitalizations due to COVID-19.
In March, as much of non-Atlantic Canada experienced a surge…
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