The Flu Flu is a self-limiting virus usually lasting about a week.
Typical symptoms are headache, fever, muscle aches, vomiting, diarrhea and nausea.
Facts About Flu Flu is transmitted through saliva and droplets. You get it by being sneezed on, coughed on or kissed by someone with the virus. The flu virus may live on things like computer keyboards or telephones for several days. There is an incubation period before the symptoms start. It builds over the first two days and reaches a crescendo.