Overview
COVID-19 and influenza (flu) are both caused by viruses and share many symptoms. Both can cause severe illness, but COVID-19 is more likely to cause long-term complications.
Symptoms
Both cause fever, cough, sore throat, runny nose, and body aches. COVID-19 is more distinctive in causing loss of smell and taste.
Causes
COVID-19 is caused by SARS-CoV-2, while the flu is caused by influenza viruses.
Treatment
Both can be managed with supportive care. Antiviral medications are available for both.
When to See a Doctor
Seek medical care if you are in a high-risk group or have severe symptoms.