The weekly Respiratory Virus Dashboard shows COVID-19 activity has increased since last week, while influenza and RSV activity remains similar to last week.
Two new subvariants of Omicron, BA.4 and BA.5, are spreading more quickly than other coronavirus variants in Europe, which could lead to more hospitalizations and deaths as they become dominant, the EU's disease prevention agency said on Monday.
A new study has found that COVID-19 antibody treatments aren't as effective for new variants due to the evolving mutations of the differing virus strains.
The number of new coronavirus cases and deaths reported globally fell everywhere except the Middle East and Southeast Asia last week, according to a World Health Organization weekly report released Wednesday.
Moderna's experimental COVID-19 vaccine that combines its original shot with protection against the omicron variant appears to work, the company announced Wednesday.
The coronavirus mutant that is now dominant in the United States is a member of the omicron family but scientists say it spreads faster than its Omicron predecessors, is adept at escaping immunity and might possibly cause more serious disease.
A new study that brought sniffer dogs to an airport to search for COVID-19 has found that dogs may be able to detect the virus with high accuracy just from smelling skin swabs.
A recent study revealed that COVID-19 rapid antigen tests may be less sensitive to newer variants, leaving some to wonder just how accurate these tests actually are. Experts share how to get the most accurate results when testing for the virus.
The head of the World Health Organization said China's extreme approach to containing the coronavirus is unsustainable because of the highly infectious nature of the Omicron variant, but that it's up to every country to decide what policy to pursue.
The federal government will announce that COVID-19 vaccine mandates for domestic travel on planes and trains, as well as outgoing international travel, will be suspended, senior government sources have told CTV News.
The federal government has announced that it will be temporarily suspending mandatory random COVID-19 testing at Canadian airports for vaccinated travellers beginning June 11, before moving randomized testing off-site as of July 1.
A small study is presenting evidence suggesting a strange possible outcome of a COVID-19 infection during pregnancy: higher risk of obesity for the child.
U.S. President Joe Biden won't veto a Republican-led measure to end the national COVID emergency, despite having expressed strong objections against it earlier this year, ensuring the bill is on an easy path to becoming law.
Brazil's government on Tuesday reported the 700,000th death from COVID-19 in the South American nation, which has the second most victims of the virus after the United States.
A Manitoba family has launched a lawsuit alleging their 23-year-old son had a stroke days after receiving a dose of a COVID-19 vaccine, leaving him legally blind.
A newly released survey finds nearly all Canadian adults had antibodies against COVID-19 for about half of 2022, with most acquiring them through a previous infection.
As more details emerge about the long-term effects of COVID-19, experts say vaccination is likely to have protective benefits against long COVID, also known as post-acute sequelae SARS-CoV-2 infection. But an important question that has yet to be answered is exactly how much protection it offers.
Moderna's COVID-19 vaccine may pose a higher risk of heart inflammation in some age groups than Pfizer-BioNTech's shot, the U.S. Centers for Disease Control and Prevention said on Tuesday, citing recent data.
Infants born to those who tested positive for COVID-19 during pregnancy may have neurodevelopmental issues after birth, according to preliminary findings from two separate studies out of the U.S. and Spain.
A province-wide mask mandate that was first introduced in October 2020 has now been lifted in virtually all of the so-called “high-risk” settings where it had remained in place, including on public transit.
Was your 2022 tax refund larger than you expected it to be? For many, this likely comes as a pleasant surprise. However, overpayments are likely the result of a mistake on your part or the Canada Revenue Agency. If you don’t amend your returns and the overpayment isn’t returned, you could end up in hot water.
As economic conditions make it harder to qualify for a mortgage, Canadians are increasingly looking to alternative lenders, particularly amid interest rates. CTVNews.ca looks at why Canadians are seeking private lenders and the potential benefits and risks attached to them.
The federal government's latest TFSA contribution limit increase took effect this year. On CTVNews.ca, personal finance contributor Christopher Liew outlines eight tips on how Canadians can get the most out of this popular savings account.
Ottawa Police are investigating an attempted break-in at the residence of Prime Minister Justin Trudeau's national security adviser, the second such incident involving one of his top aides in recent months.
Two classes at Roberta Bondar Public School in Ottawa's south end were closed on Thursday due to a lack of teachers, leaving parents and guardians scrambling to make accommodations for their children.
The Rideau Valley Conservation Authority has issued a Flood Watch for the Rideau Valley, warning of potential flooding along the Rideau River this weekend.
Parents had their say at a Vimy Ridge Public School town hall as the Ottawa-Carleton District School Board addressed concerns around harassment and bullying.
Ottawa Police are investigating an attempted break-in at the residence of Prime Minister Justin Trudeau's national security adviser, the second such incident involving one of his top aides in recent months.
When two skiers collided on a beginner run at an upscale Utah ski resort in 2016, no one could foresee that seven years later, the crash would become the subject of a closely watched celebrity trial.
A Toronto man, whose neighbours vanished eight years ago and left their home completely abandoned, said he's fed up living next door to a property that is in complete disarray.
