A new variant of COVID-19 that has been detected in South Africa is a "cause for concern," a top virologist has warned.
The B.1.1.529 variant, which has been described as having an "awful spike mutation profile," has been detected in a number of coronavirus cases in the country.
South African scientists, who had already detected the Beta variant, say the new variant has an "extremely high" number of mutations.
It is not currently clear how effective vaccines will be against it.
Here's what we know so far.
"We have unfortunately detected a new variant that is a cause for concern in South Africa," virologist Tulio de Oliveira told an online press conference.
He explained that the high number of spike mutations - believed to be at least 32 at the
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