With cases around the world exploding in the 3 new ultra infectious strains of SARS-CoV-2 - from Britain, South Africa and Brazil, authorities are struggling to keep a lid on containment.
But what actually are these strains? How different are they? Why have they emerged? And should you be worried?
REFERENCES:
Twitter thread - mutation origin:
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B117, British Strain:
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E484K Mutation:
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B117 + E484K, BMJ:
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Convergent evolution:
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Manaus - herd immunity fail, BMJ:
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The Braziliant Variant, The Atlantic:
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