Flu, also called influenza, is an infection of the nose, throat, and lungs, part of the respiratory system. A virus causes the flu. Influenza is commonly called the flu, but It’s different from the stomach “flu” viruses that cause diarrhea and vomiting Seasonal Flu in Bangladesh https://dev-imageflow.pantheonsite.io/7-common-myths-about-seasonal-flu-in-bangladesh/