www.gov.uk/government/publications/full-guidance-on-staying-at-home-and-away-from-others
Coronavirus guidance from gov.uk now says:
Stay at home:
Only go outside for food, health reasons or work (but only if you cannot work from home)
Stay 2 metres (6ft) away from other people
Wash your hands as soon as you get home
I was going out once a day for a walk. Now that’s stopped too.