What to do if you develop symptoms of COVID-19 after your 10 days of self-isolation at home.I think I have been in close contact with someone who is being tested for COVID-19, but they do not yet have a test result.What to do if you live with someone who develops COVID-19 symptoms.Do the people I live with also need to self-isolate at home with me for 10 days?.What to do if you develop symptoms of COVID-19 during your 10 days of self-isolation.