Theresa Tam, the chief public health officer for Canada, said Tuesday the latest COVID-19 surge stems from contagious variants in many areas of the country.
Since the start of the pandemic, Canada has recorded more than 1 million COVID-19 cases and more than 23,000 reported deaths.The B.1.1.7 variant, which causes more severe illness and is considered more deadly, continues to account for more than 90% of COVID-19 variant cases, she said