To get the latest news on the coronavirus, sign up to our newsletter. A coronavirus vaccine is “unlikely” to wipe out the deadly bug, a UK science chief has admitted.However, Sir Patrick Vallance said that in years to come an effective vaccine should mean that Covid-19 could be viewed more like seasonal flu.He made the comments as he was giving evidence to the joint Commons and Lords National Security Strategy Committee.Sir Patrick – the UK Government’s chief scientific adviser – reminded the