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