Symptoms: is it COVID-19, the flu, a cold or seasonal allergies?

This chart provides approximations of how common various symptoms are for those with COVID-19, influenza, a cold or allergies.

CTVNews.ca has combined several data sources to create this chart. Frequency of specific COVID-19 symptoms may vary by variant or patient medical history.
Source: Mayo Clinic, U.S. CDCCreated with Datawrapper