The variant was first identified in India but has now become the dominant strain in the United Kingdom where it is spreading rapidly, mostly among unvaccinated people.It is believed to be at least 1.5 times as contagious as the Alpha variant first identified in the U.K.
Alpha is, for now, the dominant variant in Canada, with more than 216,000 cases confirmed.Public Health England reported Friday the number of confirmed Delta cases in the U.K.
had grown 80 per cent in the last week, to almost 76,000. British Prime Minister Boris Johnson had to delay plans to fully lift all public health restrictions next week, with plans to keep the final limitations in place at least another month.Tam says the variant is a concern because one dose of.