New advice comes after two people with existing allergies who had the vaccine on Tuesday had allergic reactionsNHS told not to give Pfizer vaccine to extreme allergy sufferersGlobal coronavirus updates â€“ liveChances of Brexit deal hang on Johnson and Von der Leyen dinnerBrexit hurdles and solutions: Boris Johnson's Brussels to-do list 11.34am GMT Whitty says, looking back at the pandemic, there are a lot of things that worked, and a lot of things where the government could have done â€œa lot betterâ€.On communication, he says there was a particular problem with the way health messages were given to ethnic minority communities. He says:One thing which I think we really, really need to look at again is, I don't think they got our messaging to some of the ethnic minority British groups right early on, and indeed some other smaller groups. We just didn't actually have a clear campaign in those areas. And I think that is something which we need to look at fairly self-critically and work out how we could do that better next time round. 11.25am GMT From HuffPost's Paul WaughV signif warning from Whitty re making tiered areas smaller. It's a political decision, but "if you make it too small, you're asking for trouble".In v small low rate area surrounded by high rate area, we've "tried that experiment several times + it always ends up the same way"