COVID-19 diagnostic process based on symptoms https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/symptoms.html https://www.ncbi.nlm.nih.gov/pubmed/32245835 Symptoms may appear 2-14 days after exposure to the virus. People with these symptoms or combinations of symptoms may have COVID-19: Cough, and Shortness of breath or difficulty breathing. CDC also defines at least two of these symptoms: Fever, Chills, Repeated shaking with chills, Muscle pain, Headache, Sore throat, New loss of taste or smell. Reference: https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/symptoms.html Oliver He, Hong Yu, Asiyah Yu Lin A COVID-19 diagnostic process that identifies typical phenotypes (symptoms) of a patient and makes a diagnostic conclusion. COVID-19 diagnostic process