No 10 also rejected mounting calls to act to prevent a surge in workers and medics being forced into self-isolation over coronavirus contacts. But how many people in your area have been 'pinged' recently? See if your hometown is in the top 10 areas.
1. Leeds
Leeds has the highest number of people 'pinged' in the country. In the seven days to July 7, 9,465 people had notifications instructing them to isolate.
2. Sheffield
Sheffield also had thousands of people pinged, with 6,757 getting a notification.
3. York
York had 3,689 people pinged in the seven days to July 7, up by 108 compared to the previous week
4. Wakefield
Wakefield is fourth on the Yorkshire list, with 3,466 up to July 7, up by more than a 1,000 compared to the week before.