MIAMI -- Authorities at Miami International Airport detained a sick passenger Monday who had been on a British Airways flight from London, but health experts determined that she was not contagious and did not have an infectious disease. The 45-year-old woman was believed to have a gastrointestinal illness and was being taken to a hospital, said Von Roebuck, a spokesman the Centers for Disease Control and Prevention in Atlanta. The woman had diarrhea and was vomiting, he said. "They ruled out infectious disease," Roebuck said, but he did not elaborate. Miami International Airport spokesman Marc Henderson said the other passengers...