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How do the COVID-19 variants found in the UK and South Africa affect the illness? Why are they more infectious? And will they make you sicker? – ABC News

The coronavirus variants detected in South Africa and the United Kingdom are probably more contagious than the common strain — but there are still many unknowns….

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The image of coronavirus has become recognised globally because of its distinctive spikes.
Key points:

  • The UK and South African variants of COVID-19 have the same mutation in their spike, but are two different variants because of other changes
  • Early indicators suggest they are more transmissible, but probably dont make people more ill
  • They could be more contagious because they give hosts higher viral loads and have better receptors, making them more sticky to recipients 

Now two of the most globally…

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