It's too bad that "flu" is often used for many things besides influenza, most notably the stomach flu which usually lasts 24 hours. That's way more common than

It's too bad that "flu" is often used for many things besides influenza, most notably the stomach flu which usually lasts 24 hours. That's way more common than influenza. I run across a lot of people that even think the "flu shot" is for those kinds of flus...