Sir Patrick Vallance, Chief Scientific Adviser, answers questions from media at No10 Downing Street press briefing

The transcript emphasizes the importance of vaccinating eligible individuals to increase immunity and control infection rates. It highlights the role of immunity in allowing lighter control measures and stresses the need to monitor hospitalizations as a key indicator of the pandemic's direction. The principles of taking early and significant action with proper geographical coverage are also discussed.

What should be monitored as a marker of when things are going in the wrong direction?

What principles are emphasized regarding the timing and intensity of measures to control vaccination rates?