Omicron subvariant BA.2 detected in Quebec
Officials in Quebec say they've detected several cases of the BA.2 subvariant of the Omicron variant of COVID-19 in the province.
Public health says it is wary of the strain because it is harder to detect as it doesn't have many spike mutations and is seemingly more transmissible, allowing it to quickly pass through the community.
"We are closely following the evolution of this new variant," the province's health ministry said.
According to Quebec's public health institute (INSPQ), as of Friday, five cases of BA.2 have been observed in the province.
All of the cases were international travellers who were tested upon arrival in Montreal and whose samples were put through genetic sequencing.
Officials explain 10 per cent of samples in Quebec are sent for this type of more intense testing.
"At this time, this variant has not been shown to have an advantage over BA.1 (also Omicron) in terms of transmissibility, immune evasion or virulence," explains Aurèle Iberto-Mazzali, a spokesperson with the INSPQ. "It is a variant of concern as of December 2021."
Across Canada, the Public Health Agency of Canada (PHAC) says it has detected more than 100 cases of the subvariant as of Friday, mainly from travellers coming from abroad.
"Vaccination, in combination with public health and individual measures, is key to reduce the spread of COVID-19 and its variants," PHAC points out.
To date, subvariant BA.2, which was first found in November 2021, has been detected in at least 40 countries around the world.
LISTEN ON CJAD 800 RADIO: What do we know about this new COVID-19 variant? Dr. Matthew Oughton, physician in the division of infectious diseases at the Jewish General Hospital, explains
CTVNews.ca Top Stories
Justice advocate David Milgaard remembered as champion for those who 'don't have a voice'
Justice advocate David Milgaard, a man who was wrongfully convicted of murder and spent more than two decades in prison, has died.

'Hero' guard, church deacon among Buffalo shooting victims
Aaron Salter was one of 10 killed in an attack whose victims represented a cross-section of life in the predominantly Black neighbourhood in Buffalo, New York. They included a church deacon, a man at the store buying a birthday cake for his grandson and an 86-year-old who had just visited her husband at a nursing home.
As Russia retreats from Kharkiv, music returns in secret concert
In Kharkiv, Ukraine, you can still hear the sound of explosions, but now it's outgoing, with the Ukrainians firing at the Russians in retreat. Russia started withdrawing its forces from around Ukraine's second-largest city earlier this week after near constant bombardment.
Buffalo shooter targeted Black neighbourhood, officials say
The white 18-year-old who shot and killed 10 people at a Buffalo supermarket had researched the local demographics and drove to the area a day in advance to conduct reconnaissance with the intent of killing as many Black people as possible, officials said Sunday.
California churchgoers detained gunman in deadly attack
A man opened fire during a lunch reception at a Southern California church on Sunday before being stopped and hog-tied by parishioners in what a sheriff's official called an act of 'exceptional heroism and bravery.'
14 years later, CTV News' Paul Workman returns to a changed Afghanistan
Not long before Russian President Vladimir Putin launched his invasion of Ukraine in February, CTV News' Chief International Correspondent Paul Workman returned to Afghanistan, a country he last visited in 2008 that is now faced with a humanitarian crisis under Taliban rule.
Juno Awards celebrate Avril Lavigne, Deborah Cox and host Simu Liu's many talents
Sunday night's Juno Awards, hosted by 'Shang-Chi' star Simu Liu, honoured Canadian artists such as Avril Lavigne and Montreal singer-songwriter Charlotte Cardin
Red River is receding, more than 2,000 evacuees still displaced by Manitoba flood
While the Red River is starting to recede in southern Manitoba, flood waters linger in communities and more than 2,000 people are still displaced.
Inquest to begin in N.B. police shooting of Indigenous woman during wellness check
The lawyer for the family of a British Columbia Indigenous woman fatally shot by police in Edmundston, N.B., during a wellness check two years ago said a coroner's inquest opening Monday offers a chance for her loved ones to get long-awaited answers.