Health
South Africa coronavirus variant: What is the risk? – BBC News
Why experts are concerned about the emergence of this particular new version of coronavirus.
By Michelle RobertsHealth editor, BBC News online
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A new variant of coronavirus circulating in South Africa is now being seen in other countries, including the UK.
Experts are urgently studying it to understand what risk it poses.
All viruses, including the one that causes Covid-19, mutate.
These tiny genetic changes happen as the virus makes new copies of itself to spread and thrive.
Most are inconsequential, and a few can even be harmful to the virus’s survival,…
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