Coronavirus vaccine: The number of vaccines administered in different countries (Image: EXPRESS) "There is no biological mechanism that would mean the vaccine is likely to cause blood clots and so it has surprised vaccination experts that individual countries are taking this step. "After all the World Health Organisation, the European Medicine Agency and the UK Drugs Regulator are all insistent that there is no link between the vaccine and blood clots." On Monday morning, UK Government Minister Kit Malthouse reiterated his support for the Oxford vaccine. He told Sky News said: "Scientists tell us all is well and that the incidence of these particular problems is no greater than you would expect in the population at large.