JOHANNESBURG (Reuters) -South African scientists have detected a new COVID-19 variant in small numbers and are working to understand its potential implications, they said on Thursday. The variant – called B.1.1.529 – has a “very unusual constellation” of mutations, which are concerning because they could help it evade the body’s immune response and make it more transmissible, scientists told reporters at a news conference. Early signs from diagnostic laboratories suggest the variant has rapidly increased in the most populated province of Gauteng and may already be present in the country’s othe…

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