<span style="color: #222222;">Human trials of an eagerly-awaited vaccine, developed by the Oxford University, against the novel coronavirus began in the UK on Thursday. Scientists have given the vaccine an 80 per cent chance of success.<br />'' <br />'' The UK government has pledged 20 million pounds to support the coronavirus vaccine trial programme, with UK Health Secretary Matt Hancock saying the government would "throw everything at" finding a vaccine against the deadly virus.<br />'' <br />'' The vaccine  is made from a harmless chimpanzee virus that has been genetically engineered to carry part of the coronavirus to be tested on volunteers aged between 18 and 55 who are in good health.<br />''<br />''The Oxford vaccine project is headed by Professor Sarah Gilbert and other immunity and human genetics scientists who started work on designing a coronavirus vaccine in January this year.</span><br />