People line up to get on an Air France flight to Paris from Johannesburg on Friday as the WHO labels Omicron a variant of concern. Photo: AP
People line up to get on an Air France flight to Paris from Johannesburg on Friday as the WHO labels Omicron a variant of concern. Photo: AP

World scrambles to contain Omicron coronavirus variant

  • Variant’s high number of spike protein mutations is unprecedented and troubling, health experts say
  • Vaccine manufacturers reassess jabs to determine effectiveness against new strain

People line up to get on an Air France flight to Paris from Johannesburg on Friday as the WHO labels Omicron a variant of concern. Photo: AP
People line up to get on an Air France flight to Paris from Johannesburg on Friday as the WHO labels Omicron a variant of concern. Photo: AP
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