{"c9374286-f051-4a4a-a20b-da25d3c319ff": "<p>Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. There are two main types of influenza (flu) viruses: types A and B. The influenza A and B viruses that routinely spread in people (human influenza viruses) are responsible for seasonal flu epidemics each year. </p>", "f394434c-cdd6-422c-857c-73fdb47ec55d": "About Influenza"}