Severe COVID-19 is characterized by a combination of fever and cough and shortness of breath. And the last symptom is the most dangerous.
A very alarming sign is a decrease in oxygen tension in arterial blood. It is because of this that shortness of breath occurs.
“This is because a very large volume of lung tissue joins in a viral infection and it ceases to fulfill its the main function is the transfer of oxygen from outside to the blood. ”
Also, the overall clinical picture in patients with coronavirus similar, but for some, fever may fall by itself or after taking paracetamol.
Young people are more likely to suffer the disease in a mild form and quickly getting better.