Biden criticises Trump over slow Covid-19 vaccine rollout – video

US President-elect Joe Biden has criticised the Trump administration's promise of a swift coronavirus vaccine rollout, saying it has 'fallen far behind' expectations. Biden, speaking in Wilmington, Delaware, said some 2 million people have been vaccinated, well short of the 20 million Trump had promised by the end of the year. Biden said the vaccine rollout is the 'greatest operational challenges we've ever faced as a nation' and outlined his plan for ramping up vaccinations, including the use of the Defense Production Act