Flu (influenza) is an infection of the nose, throat and lungs, which might be part of the respiration system. Influenza is normally called the flu, however it's not the same as belly "flu" viruses that motive diarrhea and vomiting.
Most people with the flu get better on their own. However from time to time, influenza and its complications may be deadly. Humans at higher chance of growing flu complications encompass: Young children underneath age...