Influenza
https://www.youtube.com/watch?v=WSZEcpti2i0&t=85s What Is the Flu? “Flu” (influenza) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can range from mild to severe, and sometimes can lead to hospitalization or death, especially in vulnerable groups. Common symptoms include fever (or feeling feverish/chills), cough, sore throat, runny …