Canada has extended its Covid-19 restrictions on travel with the US until at least July 21
Analysis from CNN's Zachary B. Wolf,which means scientists believe it is more transmissible or can cause more severe disease.Officially the B.1.617.2 variant, it was first detected in India in February and has now spread across the globe. Some fear it could overwhelm health care systems and reverse reopening plans before vaccinations take hold.Variants all have scientific names
— B.1.617.2, for instance. But those numbers and letters don't roll off the tongue, so they were for some time also known by their countries of origin. The UK and South Africa variants, for instance. The Delta variant would have been the India variant. In an effort to destigmatize countries associated with variants,It is more contagious, perhaps 60% more contagious than the Alpha variant, which was responsible for a surge in Michigan this spring.Yes, but there is a catch.
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