COVID-19 is a contagious respiratory illness caused by infection with a new coronavirus (called SARS-CoV-2, the virus that causes COVID-19). Seasonal allergies triggered by airborne pollen can lead to seasonal allergic rhinitis, which affects the nose and sinuses, and seasonal allergic conjunctivitis, which affects the eyes. COVID-19 and seasonal allergies share many symptoms, but there are some key differences between … Read More