PM admits, however, that more time is needed to assess how effective vaccines are in stopping third wave
Boris Johnson has said there are currently no clear signals that he needs to scrap or delay plans to lift all legal restrictions on social contact in England in a matter of weeks, but he admitted that data on how effective vaccines will be at preventing a third wave was ambiguous.
Despite calls from some scientists for the government to push back the planned final stage of unlocking on 21 June, the prime minister suggested he saw no reason yet to deviate from the roadmap.
