Searchers around the world are working day and night to learn more about the new coronavirus and find a vaccine. Through the time, new discoveries were made. By the beginning of 2020, WHO and searchers have been associating COVID-19 to other viruses from the coronavirus family like SARS and MERS which were attacking the lungs and characterized as a respiratory disease. Searchers have now proved that COVID-19 isn’t only a respiratory disease.