A support bubble is where someone who lives alone (or just with their children) can meet people from one other household.
The NHS also says to get a test – get a test to check if you have coronavirus as soon as possible.
“Anyone you live with, and anyone in your support bubble, should also get a test if they have symptoms,” explains the health body.
What should I do if my symptoms get worse?
It’s important to get medical help if your symptoms get worse, warns the NHS.