Every evening I am set to do an assignment, yet after I do the assignment...I get yelled at or scolded. What am I?

Examine an advertising campaign created by the center for disease control that promotes the influenza (flu) vaccination. analyze the campaign to discover the target audience and the advertising techniques used. then, evaluate the effectiveness of these advertising techniques. write a five-paragraph essay in which you explain how the advertising campaign effectively promotes the influenza vaccination to a range of audiences.