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South African scientists are investigating a new COVID variant, which is believed to be the most mutated version of the virus to date. Subscribe: http://ab.co/1svxLVE Read more here: https://ab.co/3FN4rGD The B.1.1.529 strain could be responsible for a surge of infections in Africa. Twenty-two cases have so far been linked with infections in South Africa, Botswana and Hong Kong. The UK government has temporarily cancelled flights…