Currently the NHS Test and Trace app alerts those in contact they have to isolate for 14 days after the initial contact. If it is successful, a wider rollout is planned across the NHS and care homes in December before being introduced nationwide from January. (Image: PA)Mr Johnson is expected to tell MPs on Monday: "The selflessness of people in following the rules is making a difference. It is not yet known what areas are destined for Tier 3, with ministers preparing to outline that on Thursday. Additional testing plans include for all staff working in food manufacturing, prisons and the vaccine programme to be offered weekly testing from next month.

Source: Daily Mirror November 22, 2020 22:30 UTC