Covid: What is self-isolation and who has to do it?

When do I need to self-isolate?
You should self-isolate if:
•You have Covid symptoms - a new continuous cough, high temperature, or change in sense of taste or smell
•You test positive for Covid-19
•You live with someone who has symptoms, or is ill
•You arrive in the UK from one of a number of countries which aren't exempt from quarantine rules
•You are contacted by NHS Test and Trace to say you have been in close contact with someone who has tested positive

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