direct to your inboxGood Morning Britain’s Dr Hilary has explained why the second dose of some people’s coronavirus vaccine could end up being delayed beyond the three-week period that was originally proposed.Second doses of both types of vaccine available in the UK will now take place within 12 weeks rather than the 21 days that was planned with the Pfizer/BioNTech jab.It follows a change in guidance which aims to accelerate immunisation.The show’s health editor told hosts Piers Morgan and Susanna Reid that it’s better to give more people one dose than to leave people unvaccinated for longer while others get their second jab.Get the latest updates from across Greater Manchester direct to your inbox with the free MEN newsletterYou can sign.