Canada is on the cusp of hitting its first national vaccination target, but chief public health officer Dr. Theresa Tam says the Delta variant of the virus that causes COVID-19 might mean the country has to up its vaccine game again.
A new study in England suggests even just one dose of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines are extremely good at keeping people from ending up in the hospital if they contract COVID-19 from the Delta variant of the virus that causes it.
Prime Minister Justin Trudeau is spending the last day of his first international trip in more than a year visiting a plant that played a pivotal role in Canada's early rollout of the COVID-19 vaccine.
Prime Minister Justin Trudeau pledged 13 million surplus vaccines to help the world get immunized against COVID-19 as he and other G7 leaders wrapped up a weekend summit in Britain dominated by the pandemic, climate change and China.
A homegrown mRNA vaccine for COVID-19 shows promising results in its first small trial and its maker is hoping to test it directly against the vaccine from Pfizer-BioNTech.
Preliminary results of an ongoing study in the United Kingdom suggest alternating the Oxford-AstraZeneca and Pfizer-BioNTech vaccines causes more frequent mild to moderate symptoms, but there are no other safety concerns from mixing those vaccines.
Federal officials are "anxious" over new modelling showing an increase in daily COVID-19 cases, which they say comes at a bad time with several religious holidays nearing, and people wanting to gather with families.
Canada's COVID-19 vaccination drive is poised to shift into high gear this week as the federal public health agency prepares to take delivery of the largest number of doses since the launch of the immunization effort.