The document provides information about COVID-19, the disease caused by the SARS-CoV-2 coronavirus. It states that coronaviruses can infect both animals and humans, and COVID-19 causes respiratory illness with symptoms appearing within 14 days of exposure. The virus is diagnosed using blood, saliva, or tissue samples and treated with medications, ventilation, or plasma transfusions. Complications can include lung and heart issues. The document recommends preventing spread through frequent hand washing, avoiding touching the face, and cleaning objects to avoid infection.