Covid-19 vaccination programme a 'marathon, not a sprint' 

The largest-scale vaccination campaign in UK history is about to begin, but health leaders have cautioned that the rollout poses a 'formidable' challenge

The UK has ordered 40m doses of the Pfizer vaccine, enough to vaccinate 20m people with two doses, given 21 days apart. File picture

The largest-scale vaccination campaign in UK history is about to begin.

Under the rollout, elderly people in care homes and their carers are top of the list to receive the Covid-19 vaccine.