SLIDELL -- Charles "Dooey" De Silva III was an outgoing six-year-old with a love for fun and a knack for karate. In mid-January, a nagging fever, at times as high as 106, led him to the hospital in Slidell. He was sent home with antibiotics, but the fever didn't budge. "He just had pain," said De Silva's aunt, Venus McCoy, "He said everything hurt - everything." That's when doctors suggested to take him to Children's Hospital to be checked out for something his family had never heard of before. "Kawasaki Disease is the most common arteritis of childhood and arteritis...