If you have been advised to self-isolate, you should avoid contact with others for fourteen (14) days.
Self-isolation includes;
Not going to work or public places
Not using public transport
Ensuring that there is good airflow in your room
Separating yourself from other members of your household and using separate crockery, cutlery, towels etc.
Eating at different times from others in the household
Trying to avoid the need for others to be in your room
Trying to keep active by exercising