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.

What percentage of protection is provided by mild disease at 35 days?

How does the effectiveness of the vaccine in older people compare to the general population?

What are the two main factors that contribute to the probability of vaccines reducing the chance of going to the hospital?

What does the data suggest about the duration of protection from the first vaccine dose?

What is the significance of ensuring that individuals who received the first vaccine go on to get their second vaccine?