I. Introduction
Corona virus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people who contract COVID-19 will experience mild to moderate symptoms, and will recover without special treatment. However, some people will experience severe pain and require medical assistance. Coronaviruses are a group of viruses that can infect the respiratory system. In some cases, this virus causes only mild respiratory infections; in others, it can also cause severe inflammation of respiratory diseases, such as pneumonia.