What's known, unknown about the coronavirus variant in Britain

A new variant of the pandemic SARS-CoV-2 coronavirus is spreading in Britain and prompting high levels of concern, especially, among the country's European neighbours, some of which have cut transport links. Here is what is known so far about the variant, and why there is cause for concern

source https://www.cbc.ca/news/health/coronavirus-variant-britain-explainer-1.5849905?cmp=rss