People over 70 will be instructed by the government to stay in strict isolation at home or in care homes for four months, under a ‘wartime-style’ mobilisation effort by the government likely to be enforced within the next 20 days.

It is part of a series of measures being prepared by the prime minister, health secretary, chief medical officer and chief scientific adviser to prevent the health service from ‘falling over’ and to save lives as coronavirus, Covid-19, becomes an epidemic in the UK.