Donald Trump prompted a backlash from medical experts after floating the idea that they could look into heat, light and injections of disinfectants as a cure for Covid-19. His public health advisers immediately played down the idea, and medics warn that trying such ideas could be fatal. Coronavirus response coordinator Dr Deborah Birx appeared caught off guard when Trump asked her directly if heat and light would cure the deadly disease. ‘Not as a treatment,' Birx replied