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
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
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.
Cardiovascular disease is the leading source of death worldwide.
PM Images / Getty Images
Scientists have developed and tested a new anti-clotting drug in mice that shows promise for treating heart attacks and stroke. It may also prove useful for COVID-19.
Astronaut Peggy Whitson at the International Space Station in 2016.
NASA
Men often experience a heart attack as a crushing sensation on their chest, but women are more likely to have flu-like symptoms. Why do we only know about the male symptoms?