Health Canada has approved a booster of Pfizer-BioNTech's COVID-19 vaccine for people over the age of 18, though third doses have already been given to high-risk people across the country.
The first COVID-19 vaccine for kids under 12 could be in front of Health Canada's review team in just days, and Pfizer expects to start shipping a new pediatric formulation of its vaccine shortly after it gets the green light.
All health-care workers and volunteers will soon have to be vaccinated against COVID-19 in British Columbia as the provincial government expands its immunization program.
Health Canada's latest weekly report on vaccinations shows at least 1.3 million Canadians opted for a mixed-dose finish to their COVID-19 vaccination schedule in June.
A vaccine study in the United Kingdom reports that getting a dose of the Pfizer-BioNTech vaccine four weeks after a dose of Oxford-AstraZeneca produced a much stronger immune response than two doses of AstraZeneca.
Several family doctors and physician associations across Canada say they welcome questions from anyone concerned about second doses of Oxford-AstraZeneca or any other COVID-19 vaccine.
Even at the best of times, mixed messaging is problematic. But introducing it into an information ecosystem that’s rife with bad-faith actors and conspiracy theorists is a recipe for disaster, writes columnist Max Fawcett.
Canadian provinces suspended use of the Oxford-AstraZeneca COVID-19 vaccine in people under age 55 on Monday, March 29, 2021, acting on an advisory committee's concerns about a possible link between the shot and rare blood clots.
Scientists at the National Advisory Committee on Immunization are reviewing research that suggests people who have been infected with COVID-19 can turbocharge their antibodies with just one dose of a vaccine.