Though in both the conditions, the respiratory system is primarily affected there are few differences in the symptoms. As per the US Centers for Disease Control and Prevention (CDC), both COVID-19 and seasonal allergies can lead to a cough, headaches and fatigue. Sore throat, sneezing, itchy eyes and throat are also common signs.
When it comes to differences, shortness of breath or difficulty breathing are common in COVID but are not witnessed in the case of allergies unless the person has asthma. Moreover, chills and fever remain more common with the novel coronavirus.