New coronavirus variant in South Africa raises concern
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New Botswana variant with 32 'horrific' mutations is the most evolved Covid strain EVER,
and could be 'worse than Delta' — as expert says it may have emerged in an HIV patient
Only 10 cases of the strain — dubbed B.1.1.529 — have been spotted to date
Variant has 32 mutations, many of which suggest it is more vaccine resistant
Scientists warn the variant could be worse 'than nearly anything else about'