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  1. Jul 1, 2020 · What constitutes exposure to the novel coronavirus, COVID-19? And, how does contact tracing help identify people who've been exposed to COVID-19? Infectious disease expert Roy Chemaly, M.D., answers these questions and more.

  2. Learn what to do if you are exposed to COVID-19, including how long to wear a mask, what to do if symptoms develop, and when to take a COVID-19 test.

  3. COVID-19 symptoms can include: a high temperature or shivering (chills) – a high temperature means you feel hot to touch on your chest or back (you do not need to measure your temperature) a new, continuous cough – this means coughing a lot for more than an hour, or 3 or more coughing episodes in 24 hours.

  4. COVID-19 is a disease caused by a virus. The most common symptoms are fever, chills, and sore throat, but there are a range of others. Most people make a full recovery without needing hospital treatment. People with severe symptoms should seek medical care as soon as possible.

  5. Learn about the factors that affect your risk of being exposed to COVID-19, including ventilation, filtration, masks, distance, and exposure time.

  6. If you have symptoms and need to test for COVID-19, or you've been exposed to someone with COVID-19, a healthcare professional can help. People who are at high risk of serious illness may get medicine to block the spread of the COVID-19 virus in the body.

  7. Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.