Prognosis

Vaccines May Not Work as Well on Variants, Hancock Says

  • U.K. conducting trials on efficacy of vaccine on new strains
  • Tough border controls needed to stop virus coming in: Hancock
Why Mutated Coronavirus Variants Are Causing Concern
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The U.K.’s health minister warned that coronavirus vaccines may be less effective against new variants of the disease, such as those found in South Africa and Brazil, and that stricter border controls are justified.