Helge Kristyn

Flu Symptoms 2024 Vs Cold And Flu.  — cold and flu are caused by different respiratory viruses. Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system.

Flu will often get better on its own, but it can make some people seriously ill. Dehydration, shortness of breath, high fevers and extreme body aches are.