From no signs (asymptomatic) to severe symptoms, COVID-19 and the flu can both have a range of symptoms. The flu and COVID-19 both commonly exhibit these symptoms:

Experiencing chills or feeling feverish, Cough, Respiratory issues or shortness of breath, Fatigue, Sore throat, Runny or congested nostrils, Headache, Vomiting, Diarrhea (more common in children with flu, but can occur in any age with COVID-19), Taste or scent alteration or loss, though this occurs more frequently with COVID-19.