Have you ever wondered who killed the famous president John F Kennedy? He was a hero and someone killed him. Or have you wondered where he was killed by? Or what he was killed with. Those are questions that people ask do you wonder that. John F Kennedy was named after Rose's father John F Fitzgerald the Boston mayor as a baby/ kid John Kennedy suffered from a lot of diseases including Measles, Chickenpox and whooping cough. On February 20, 1920, when John F Kennedy was almost 3 JFK became sick with a fever called Scarlet Fever( a bacterial illness that develops is some people that have strep throat Scarlet Fever is highly cottages and life-threatening