A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters
A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters

Explainer |
What is herd immunity? And can it stop the coronavirus?

  • For a while it seemed part of British PM Boris Johnson’s outbreak mitigation strategy, which sought to avoid most sweeping restrictions on society
  • That plan was quickly shelved after scientists advising the government indicated such an approach could result in up to 250,000 deaths

Topic |   Coronavirus pandemic
A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters
A security guard wearing a face mask stands outside Windsor Castle in the UK as a marching band passes by on Tuesday. Photo: Reuters
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