The National Advisory Committee on Immunization (NACI) is now recommending that people who received a first dose of the Oxford-AstraZeneca vaccine receive a second dose of an mRNA vaccine, such as Pfizer-BioNTech or Moderna.
On June 1, NACI had said AstraZeneca recipients 'could' get Pfizer-BioNTech or Moderna for their second shot if they wanted, but on Thursday it went further to say an mRNA vaccine was the 'preferred' choice.
As confirmed cases of the Delta variant of COVID-19 continue to rise in Alberta, there are conflicting statements regarding how effective the first dose of vaccine is at protecting against severe outcomes of infection.
On CTVNews.ca, CTV News' Chief Financial Commentator Pattie Lovett-Reid shares her advice for the winner of the Lotto Max draw, the largest prize pool in Canadian lottery history with a projected jackpot of $70 million.
The judge poised to be the first person of colour on the Supreme Court of Canada says he experienced discrimination 'as a fact of daily life' while growing up. Prime Minister Justin Trudeau nominated Ontario Court of Appeal Justice Mahmud Jamal to the top court Thursday to replace retiring member Rosalie Abella.
Canada has now fully vaccinated 17.94 per cent of the country's eligible population.
The U.S. is gearing up to send one million additional doses of the Moderna vaccine to Canada at the same time calls mount on both sides of the border to ease travel and quarantine measures.
Wall Street is in a rush to get workers back in the office to bring back the face-to-face camaraderie, training and to negate security concerns
The federal minister in charge of affordable housing says he would like municipalities to reshape local rules to more quickly build units through the government's national housing strategy.
A Metro Vancouver man survived a terrifying bear attack at a remote mining exploration camp in Northern B.C.
Indigenous leaders of Algonquins of Barriere Lake First Nation in Quebec are returning to the land of their ancestors, their native language, and traditions as way to heal from the generational trauma caused by residential schools.
Video played in court shows a plainclothes Toronto police officer grabbing a Black TTC rider by the throat within seconds of arriving at a call that the young man was causing a disturbance and not paying his fare.
Daredevil Alex Harvill died Thursday while practising for a world record motorcycle ramp jump, officials in Washington state said. He was 28 years old.
Doctors are investigating rare cases of a heart inflammation called myocarditis that have emerged after mRNA vaccination, usually after a second dose, seeking to pin down how rare it is, and what the real risk is.
The massive ongoing renovation of Parliament Hill, centred on revitalizing and reworking Centre Block as the crown jewel of Canadian democracy, is expected to take until at least 2030 and cost up to $5 billion to complete. On Thursday federal officials leading the renovation project released the final design, scope, and anticipated timelines for completing the project.
Doctors are investigating rare cases of a heart inflammation called myocarditis that have emerged after mRNA vaccination, usually after a second dose, seeking to pin down how rare it is, and what the real risk is.
Those looking to lose weight and reduce fat may have less success with intermittent fasting than with simply reducing their calorie intake, a small new study suggests.
The coelacanth -- a giant weird fish still around from dinosaur times -- can live for 100 years, a new study found.
The massive ongoing renovation of Parliament Hill, centred on revitalizing and reworking Centre Block as the crown jewel of Canadian democracy, is expected to take until at least 2030 and cost up to $5 billion to complete. On Thursday federal officials leading the renovation project released the final design, scope, and anticipated timelines for completing the project.
Infectious disease experts don’t see signs of concern for the coming flu season despite the little data collected from the 2020 flu season. The WHO typically looks to the previous year’s data to search for trends and make vaccine recommendations.
Americans who have been fully vaccinated are able to ditch masks and forget about distancing, but there is still no guidance for Canadians who have received both doses.
The threatened reign of successor Annamie Paul is the most bizarre, messy and unfortunate political drama among many raging on Parliament Hill as MPs prepare for what sounds like an election campaign launch in late summer, Don Martin writes in his exclusive column for CTVNews.ca.
To cap off the end of Pride month, the 'Saving Lives with Pride' campaign is urging sexually active gay and bisexual men to register as potential stem-cell donors.
Indigenous leaders of Keeseekoose First Nation in Saskatchewan say the community is struggling to cope with the intergenerational trauma caused by a residential school that once operated in the area, with many residents turning to drugs and alcohol to cope.
A 1,098 carat diamond believed to be the third largest gem-quality stone ever to be mined, has been discovered in Botswana.
Thankfully, the llama was returned to its owners safely.
A fishing boat in southern Chile was overwhelmed by dozens of sea lions trying to escape a pack of hunting killer whales.
Dozens of people have gathered to watch crews take down a statue of Sir John A. Macdonald in a downtown park.
Virtually all of the province's pandemic-related restrictions could be lifted in time for Canada Day celebrations if the benchmark was eclipsed with Thursday's administered doses.
Ontario is expanding eligibility for second COVID-19 vaccine doses as the province promises new guidelines will come 'very shortly' outlining what freedoms vaccinated people will have.
Indigenous leaders of Algonquins of Barriere Lake First Nation in Quebec are returning to the land of their ancestors, their native language, and traditions as way to heal from the generational trauma caused by residential schools.
A Metro Vancouver man survived a terrifying bear attack at a remote mining exploration camp in Northern B.C.
Ontario's top doctor said he would only consider speeding up Step 2 by 'a day or two' after Premier Doug Ford said he wanted to discuss an earlier reopening.
Ethiopians will vote Monday in a landmark election overshadowed by reports of famine in the country's war-hit Tigray region and beset by logistical problems that mean some people won't be able to vote until September.
A wild brown bear on the the loose all night in a city in northern Japan wounded four people, entered a military camp and disrupted flights at an airport Friday before being shot and killed by authorities.
States across the country are scrambling to close their government offices Friday after U.S. President Joe Biden signed legislation establishing Juneteenth as a federal holiday.
In recent state media images, including those published on Wednesday, Kim Jong Un appeared to have lost a large amount of weight, prompting speculation about his health
The UN refugee agency says war, violence, persecution and human rights violations caused nearly 3 million people to flee their homes last year, even though the COVID-19 crisis restricted movement worldwide as countries shut borders and ordered lockdowns.
Hong Kong pro-democracy newspaper Apple Daily increased its print run more than fivefold to 500,000 copies as residents lined up Friday to buy the paper in a show of support for beleaguered press freedoms, a day after police arrested five top editors and executives.
U.S. lawmakers voted 415-14 in favour of declaring Juneteenth a new federal holiday to commemorate the end of slavery.
Keeseekoose Finance Director Amy Cote says drug addiction and death is an epidemic that has been a part of the First Nation for decades.
WARNING: Former Keeseekoose First Nation chief Ted Quewezance talks about the trauma caused by his time living in a residential school as a child.
This German company is hoping to revolutionize the construction industry by using environmentally friendly, Lego-like resin blocks.
As climate change impacts temperatures across the globe, a new study suggests it may bring on longer mosquito seasons.
University of Alberta anthropology professor Kisha Supernant talks about the use of ground-penetrating radar in burial site searches.
A Metro Vancouver man survived a terrifying bear attack at a remote mining exploration camp in Northern B.C.
An individual who is remaining anonymous purchased a $5 painting from the Macher Mall last summer. It turns out the painting was done by famous musician and artist David Bowie and is now being auctioned off for more than $38,000.
One of two COVID-19-related deaths attributed to the Delta variant reported at Calgary's Foothills Medical Centre Wednesday was an individual who was double vaccinated.
While juggling the duties of new motherhood amid a global pandemic, a Winnipeg author has written a New York Times bestseller.
Bags of dry cat food have been recalled across Canada over concerns about salmonella contamination that could cause illness in pets – and potentially their owners.
The chief of the Tk’emlúps te Secwépemc First Nation on Wednesday expressed her “deepest gratitude” for the outpouring of support the nation has received from across the country and around the world.
A Sylvan Lake, Alta., woman is shocked and excited after lightning struck right in front of her home — and she got it on camera.
A ceramic sculpture crafted by a B.C.-born actor sold for about four times the amount it was expected to bring in at auction.
Three tornadoes emerged from a storm system that swept through central Saskatchewan Tuesday night according to Environment Canada.
The massive ongoing renovation of Parliament Hill, centred on revitalizing and reworking Centre Block as the crown jewel of Canadian democracy, is expected to take until at least 2030 and cost up to $5 billion to complete. On Thursday federal officials leading the renovation project released the final design, scope, and anticipated timelines for completing the project.
The judge poised to be the first person of colour on the Supreme Court of Canada says he experienced discrimination 'as a fact of daily life' while growing up. Prime Minister Justin Trudeau nominated Ontario Court of Appeal Justice Mahmud Jamal to the top court Thursday to replace retiring member Rosalie Abella.
The federal minister in charge of affordable housing says he would like municipalities to reshape local rules to more quickly build units through the government's national housing strategy.
Those looking to lose weight and reduce fat may have less success with intermittent fasting than with simply reducing their calorie intake, a small new study suggests.
Americans who have been fully vaccinated are able to ditch masks and forget about distancing, but there is still no guidance for Canadians who have received both doses.
Doctors are investigating rare cases of a heart inflammation called myocarditis that have emerged after mRNA vaccination, usually after a second dose, seeking to pin down how rare it is, and what the real risk is.
The coelacanth -- a giant weird fish still around from dinosaur times -- can live for 100 years, a new study found.
The first reported Asian giant hornet of 2021 in the United States was found dead near Seattle by a Washington state resident in early June.
Researchers in the United States have uncovered what they believe is evidence to suggest that once-massive icebergs floated from northern Canada to southern Florida.
Daredevil Alex Harvill died Thursday while practising for a world record motorcycle ramp jump, officials in Washington state said. He was 28 years old.
TV pop culture critic Richard Crouse reviews three new movies this week: 'Luca,' 'The Hitman's Wife's Bodyguard,' and 'Censor.'
The author of 'Fire and Fury,' the million-seller from 2018 that helped launched the wave of inside accounts of the Trump White House, will have a last take coming out next month.
On CTVNews.ca, CTV News' Chief Financial Commentator Pattie Lovett-Reid shares her advice for the winner of the Lotto Max draw, the largest prize pool in Canadian lottery history with a projected jackpot of $70 million.
Carnival Corp. said Thursday that a data breach in March might have exposed personal information about customers and employees on Carnival Cruise Line, Holland America Line and Princess Cruises.
Wall Street is in a rush to get workers back in the office to bring back the face-to-face camaraderie, training and to negate security concerns
Couples eager to say 'I do' can kiss the single life goodbye at the newly opened Wolfville Wedding Chapel in Wolfville, N.S.
An individual who is remaining anonymous purchased a $5 painting from the Macher Mall last summer. It turns out the painting was done by famous musician and artist David Bowie and is now being auctioned off for more than $38,000.
To cap off the end of Pride month, the 'Saving Lives with Pride' campaign is urging sexually active gay and bisexual men to register as potential stem-cell donors.
All fully vaccinated players and staff can stop wearing masks in dugouts, bullpens and clubhouses under the latest change to Major League Baseball's coronavirus protocols.
Rod Brind'Amour never worried much about being able to reach a deal to remain coach of the Carolina Hurricanes.
Reacting to a bottle-snatching trend at the European Championship started by Cristiano Ronaldo, players on the 24 teams have been asked to stop removing strategically placed sponsor drinks from the news conference platforms, UEFA said Thursday.
Canada's biggest food and drugstore retailer is expanding its loyalty program at Esso gas stations, allowing PC Optimum members to both earn and redeem points when they fuel up.
Ford's second-quarter outlook is improving, with large numbers of customers making reservations for four of its new vehicles.
Landon Cassill will be the first NASCAR driver paid entirely in cryptocurrency in a sponsorship deal with Voyager that begins at Nashville Superspeedway this weekend.
Single-use food and beverage containers accounted for much more litter found in Canada's natural spaces in 2020 than they did before the pandemic, according to a new report.
An environmental review panel into a proposal for an open-pit coal mine in Alberta's Rocky Mountains is advising the federal government that the Grassy Mountain mine is not in the public interest.
Britain is losing the race to adapt to the inevitable effects of climate change, including worsening heat and floods, a government-appointed panel of experts said Wednesday.
Residents of the Australian region of Gippsland in the state of Victoria were greeted with layers of gossamer cobwebs after the area was hit by severe flooding.
Three tornadoes emerged from a storm system that swept through central Saskatchewan Tuesday night according to Environment Canada.
The threatened reign of successor Annamie Paul is the most bizarre, messy and unfortunate political drama among many raging on Parliament Hill as MPs prepare for what sounds like an election campaign launch in late summer, Don Martin writes in his exclusive column for CTVNews.ca.
Having Fredericton MP Jenica Atwin quit the Greens over Middle East political differences helped change the channel on a bad news day for the Liberal government, Don Martin writes in his latest column for CTVNews.ca.
Many Canadian politicians are oh-so-deserving of an electoral spanking for actions that introduced, spread, slowed and then revived COVID-19 across the country, writes Don Martin in his exclusive column for CTVNews.ca, adding that with the third wave becoming a ripple, a road back to popularity and power has opened up for incumbent political leaders.
Prime Minister Justin Trudeau should focus his apologies on current political mistakes, writes Don Martin in his exclusive column for CTVNews.ca.
For far too long in this pandemic, the light at the end of the tunnel was an oncoming train wreck. Today, there’s reason to hope that the light is actually a way out of the darkness, writes Don Martin in his exclusive column for CTVNews.ca.
While investigating the tragedy of flight PS752 in which a civilian passenger plane was shot down by the Iranian military in January 2020, W5 found numerous reports of shootdowns of civilian planes by militaries and combatants around the world. We went looking for statistics on how many lives have been lost in this unimaginable manner.
Now that Iran has issued its final technical report about Flight 752, which was downed by a surface-to-air missile from Iran's military in January 2020, W5 investigates what Canada's options are to respond to the "incomplete" investigation.
If aliens are sending us signals, are we set up to detect them? Dan Riskin speaks with planetary scientists, radio astronomers, and computer scientists who explain how the search for ET has ramped up in the last few decades. But if they're successful, is there a way to predict what alien creatures might look like?
CTV W5 investigates the challenge of accessing sexual assault evidence kits in Canada. Avery Haines speaks with survivors who were denied access to evidence kits.
Despite being the first Western scientist to study giraffes in their natural habitat, Canadian biologist Anne Innis Dagg says her career was cut short by sexism. W5 science journalist Dan Riskin explores her legacy and the consequences of sexism in academia.
A Canadian woman speaks out about her nightmarish ordeal to remove all traces of her videotaped sexual assault from the largest porn website in the world. Watch the documentary 'Pornhub' on Saturday at 7 p.m. on CTV W5.
Now that COVID-19 is in its third wave in many parts of the country, it’s important to see how medical professionals are coping on the front lines. W5 looks into how doctors, nurses and personal support workers are handling stress, anxiety and burnout.
W5 investigates a controversial Christian sect that has divided the small town of Aylmer, Ont. The Church of God Restoration and its fervent pastor have made headlines for their "anti-lockdown" rhetoric, causing turmoil in the once-sleepy town.
