Graffiti art work in Johannesburg, South Africa, warns residents about the dangers of the coronavirus. Photo: EPA-EFE
Graffiti art work in Johannesburg, South Africa, warns residents about the dangers of the coronavirus. Photo: EPA-EFE

Explainer |
Omicron: what we know and what we don’t on symptoms, transmission, and vaccines

  • Early data in South Africa suggests heavily mutated ‘variant of concern’ could outpace fast-spreading Delta
  • Disease experts are united on the need for more data as well as ramping up vaccination

Topic |   Coronavirus pandemic
Graffiti art work in Johannesburg, South Africa, warns residents about the dangers of the coronavirus. Photo: EPA-EFE
Graffiti art work in Johannesburg, South Africa, warns residents about the dangers of the coronavirus. Photo: EPA-EFE
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