Most of Canada to receive emergency alert test today
The federal government will test its capacity to issue emergency alerts today, with the exception of Ontario, where the test will take place on May 15.
What should I know about the Delta variant?
It's a version of the coronavirus that has been found in more than 80 countries since it was first detected in India. It got its name from the World Health Organization, which names notable variants after letters of the Greek alphabet.
Viruses constantly mutate, and most changes aren't concerning. But there is a worry that some variants might evolve enough to be more contagious, cause more severe illness or evade the protection that vaccines provide.
Experts say the Delta variant spreads more easily because of mutations that make it better at latching onto cells in our bodies. In the United Kingdom, the variant is now responsible for 90 per cent of all new infections. In the U.S., it represents 20 per cent of infections, and health officials say it could become the country's dominant type as well.
It's not clear yet whether the variant makes people sicker since more data needs to be collected, said Dr. Jacob John, who studies viruses at the Christian Medical College at Vellore in southern India.
Studies have shown that the available vaccines work against variants, including the Delta variant.
Researchers in England studied how effective the two-dose AstraZeneca and Pfizer-BioNTech vaccines were against it, compared with the alpha variant that was first detected in the U.K.
The vaccines were protective for those who got both doses but were less so among those who got one dose.
It's why experts say it's important to be fully vaccinated. And it's why they say making vaccines accessible globally is so critical.
The federal government will test its capacity to issue emergency alerts today, with the exception of Ontario, where the test will take place on May 15.
Prince Harry, the Duke of Sussex, has made headlines with his recent arrival in the U.K., this time to celebrate all things Invictus. But upon the prince landing in the U.K., we have already had confirmation that King Charles III won't have time to see his youngest son during his brief visit.
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