UK Prime Minister says Britain's route out of lockdown will not be derailed by vaccine shortage

Mr Johnson said: “We have always said that in a vaccination programme of this pace and this scale, some interruptions in supply are inevitable.

Boris Johnson said disruption in supplies is ‘inevitable’ (Tolga Akmen/PA)

Boris Johnson has insisted the vaccination programme and route out of lockdown remain on track despite a shortfall in the expected supply of jabs.

A delay in deliveries from India and the need to retest a batch of 1.7 million doses is behind the issues with vaccine supply in April.