Coronavirus disease 2019
COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2 In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic The symptoms of COVID‑19 can vary but often include fever,[7] fatigue, cough, breathing difficulties, loss of smell, and loss of taste[8][9][10] Symptoms may begin one to fourteen days after exposure to the virus At least a third of people who are infected do not









