Covid-19

The virus that causes severe acute respiratory syndrome coronavirus 2 is the source of the infectious sickness known as coronavirus disease 2019 (COVID-19) (SARS-CoV-2). In Wuhan, China, in December 2019, authorities discovered the first recorded case. The illness soon spread around the world, causing the COVID-19 pandemic. The signs and symptoms of COVID-19 might vary, but they frequently include fever, coughing, headaches, exhaustion, trouble breathing, loss of smell, and loss of taste. One to fourteen days after viral exposure, symptoms may appear. At least one-third of infected individuals don't have any symptoms at all. The virus that causes severe acute respiratory syndrome coronavirus 2 is the source of the infectious sickness known as coronavirus disease 2019 (COVID-19) (SARS-CoV-2 Most (81%) of individuals who experience symptoms that are obvious enough to qualify them as patients also experience mild to moderate symptoms, up to mild pneumonia, whereas 14% experience severe symptoms, such as dyspnea, hypoxia, or more than 50% lung involvement.