A day-by-day breakdown of coronavirus symptoms shows how the disease, COVID-19, goes from bad to worse

4:26am PST - February 22nd, 2020    coronavirus symptoms - Business Insider

Chinese health officials report that the majority of cases of the new coronavirus are mild, but around 20% of patients have either severe cases of disease or become critically ill. A fever is the most common symptom. Here's how the symptoms progress day by da…