Accueil Mots-clés Mindmap
Last December, in the city of Wuhan, China, a virus usually linked to animals was transmitted to a human for the first time. The coronavirus COVID-19 comes from the same family of viruses that usually affects the respiratory tract. It is in the same family as the common cold, the flu, and other more serious respiratory illnesses. When humans are infected with COVID-19, they experience symptoms such as fever, coughing, and difficulty breathing similar to pneumonia.