TABLE 1.

Comparison of the most common clinical symptoms of Common cold, Influenza, SARS, MERS, and COVID-19.

Disease	Clinical symptoms
Common cold	• sneeze, stuffy nose, runny noses
Influenza	• high fever, stuffy nose, muscle ache, dry cough, myalgia, and sore throat
SARS-CoV	• fever, chill, myalgia, headache, diarrhea, cough, dyspnea
MERS-CoV	• sore throat, dyspnea, myalgia
COVID-19	• fever, cough or not, muscle ache, headache, confusion, breathless, respiratory failure