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Pharmacist Barbara Violo arranges all the empty vials of the AstraZeneca COVID-19 vaccine that she has provided to customers at an independent pharmacy in Toronto. THE CANADIAN PRESS/Nathan Denette

AstraZeneca second dose: Should I get the same vaccine or choose Pfizer or Moderna?

Alexander Wong, University of Saskatchewan

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 again, or Pfizer or Moderna mRNA vaccine?
A healthcare worker holds up a vial of the AstraZeneca vaccine at a COVID-19 vaccination clinic in Montréal, on March 18. THE CANADIAN PRESS/Paul Chiasson 

Second dose of AstraZeneca COVID-19 vaccine: FAQs about blood clots, safety, risks and symptoms

Dawn ME Bowdish, McMaster University and Ishac Nazy, McMaster University

Answers to key questions about rare blood clots linked to AstraZeneca’s COVID-19 vaccine, including risks, symptoms and whether people who have had one AstraZeneca shot should have a second.

Related Topics

  1. AstraZeneca vaccine
  2. Blood clot
  3. Coronavirus
  4. COVID-19
  5. COVID-19 vaccines
  6. mRNA vaccines
  7. Pandemic
  8. Pfizer-BioNTech vaccine
  9. Vaccine hesitancy
  10. Vaccines

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