New Botswana variant is most mutated version of COVID-19: Experts
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British experts have sounded the alarm over a new Covid variant believed to have emerged in 'Botswana' that is the most mutated version of the virus yet, Daily Mail reported. Only 10 cases of the strain, which could eventually be named 'Nu', have been detected so far. But it has already been spotted in three countries, suggesting the variant is more widespread.