Visit for more information on the way to prepare, suggestions for prevention and treatment, and expert recommendations for coronavirus symptom. People who are infected initially develop a fever, cough and can progress to shortness of breath and complications from pneumonia. COVID-19 symptoms range from mild to severe. It will require 2-14 days after exposure for symptoms to develop. Coronavirus symptoms range from very mild to severe. Our experts explain how coronavirus spreads, its symptoms, if you should travel and what you should do in case you might have coronavirus. Researchers now are focusing on developing a coronavirus vaccine. A vaccine gives some protection by training people's immune systems to battle the virus so they really shouldn't become sick. Check out for more information on the COVID symptom update.