Professor Chris Whitty speaking during 'Roadmap out of Lockdown' press conference

The video discusses the effectiveness of vaccines in preventing severe disease and hospitalization, particularly in older adults. Studies from Public Health England and Scotland show significant protection from both Pfizer and AstraZeneca vaccines. The importance of receiving both doses is emphasized, with data supporting the delay of the second dose. The video also covers the risk management strategy in the vaccine rollout, highlighting the need to assess outcomes after each stage.

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