New Crown can cause asymptomatic and symptomatic infections.
Asymptomatic infections, in which a person is infected with New Crown virus but does not exhibit clinical symptoms, are contagious.
Among symptomatic COVID-19 patients, cough, myalgia, and headache are most common. Other symptoms such as diarrhea, sore throat, and abnormal sense of smell or taste have been reported numerous times.
Mild upper respiratory symptoms (e.g., nasal congestion, sneezing) may be more common in Delta and Omicron variant infections. Pneumonia is the most common serious manifestation of infection, characterized by fever, cough, dyspnea, and bilateral lung infiltrate images. Although COVID-19 causes certain clinical features (especially smell or taste disturbances) more often than in other viral respiratory infections, no single symptom or sign clearly identifies COVID-19.
If you have any of these symptoms, it is recommended that you visit a hospital promptly to avoid delays.