Study: COVID-19 booster effectiveness wanes but remains strong
CTV
An early look at the performance of COVID-19 booster shots during the recent omicron wave in the U.S. hinted at a decline in effectiveness, though the shots still offered strong protection against severe illness.
The report, published by the Centers for Disease Control and Prevention on Friday, is considered an early and limited look at the durability of booster protection during the omicron surge that exploded in December and January but has been fading in recent weeks.
"COVID-19 vaccine boosters remain safe and continue to be highly effective against severe disease over time," said Kristen Nordlund, a CDC spokesperson.
The researchers looked at patient visits to hospitals and urgent care centers in 10 states. They estimated how well Pfizer or Moderna booster shots prevented COVID-related visits to emergency departments and urgent care centers, and how well the vaccines prevented hospitalizations.
About 10% of people in the study were boosted. Vaccine effectiveness was higher in people who had received boosters than in people who had received only the original series of shots.
Northvolt AB has filed for bankruptcy protection in the United States, but said the move will not jeopardize the manufacturer's planned electric vehicle battery plant in Quebec — though hundreds of millions of taxpayer dollars invested in the parent company could be lost.
A popular series of Murphy beds that had been sold online is under a recall in Canada and the U.S. after several reported instances of the furniture detaching from walls.
Even though sales of electric vehicles aren't growing as fast as in past years and President-elect Donald Trump may ditch tax credits for EV buyers, automakers are moving ahead with new models that should appeal to mainstream buyers.
Countries of the world took turns rejecting a new but vague draft text released early Thursday which attempts to form the spine of any deal reached at United Nations climate talks on money for developing countries to transition to clean energy and adapt to climate change.
The Canadian Space Agency (CSA) is inviting Canadians to choose the name of the first Canadian Lunar Rover.
A Dallas anesthesiologist was sentenced Wednesday to 190 years in prison for injecting a nerve-blocking agent and other drugs into bags of intravenous fluid at a surgical center where he worked, leading to the death of a coworker and causing cardiac emergencies for several patients.
CTVNews.ca wants to hear from digital nomads who have taken up location-independent jobs and can work from anywhere with an internet connection.
In Canada a car is stolen every six minutes, though some vehicles are more sought after than others.
A major storm swept across the northwest U.S., battering the region with strong winds and rain, causing widespread power outages and downing trees that killed at least one person.
SpaceX on Tuesday launched another Starship rocket, but passed up catching the booster with giant mechanical arms.
Caring for a senior pet is no walk in the park, especially when the pet can't walk at all. A Colorado woman was shocked to find her dog's wheelchair missing from the porch Tuesday morning