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

The transcript discusses the effectiveness of vaccines in preventing severe disease and hospitalization, particularly in older adults. It highlights studies from Public Health England and Scotland, showing significant protection from both Pfizer and AstraZeneca vaccines. The importance of receiving both vaccine doses is emphasized, with data suggesting prolonged protection beyond 21 days. The transcript also covers the UK's phased reopening plan, explaining the need for data-driven risk management between stages.

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?