Mitchell Grant is a self-taught investor with over 5 years of experience as a financial trader. He is a financial content strategist and creative content editor. Investopedia / Yurle Villegas Scope, a ...

A person who needs a flu checkup has aches, pain, fever, fatigue, and other symptoms of the flu, an infection caused by a virus that attacks the lungs, nose, and throat. The flu is caused when you ...