I'd have to classify Elvis's death as an accident. There's no one to blame -- certainly not Elvis. He was a severely injured and ill man. There's no specific negligence on anyone's part and definitely no cover-up or conspiracy of a criminal act.
I have a friend who has lung cancer -- the "good," slow-growing kind. His doctors have been less kind than the cancer. They keep screwing up in ways that seem likely to kill my friend before his cancer does.
One U.S. death from Ebola and every media outlet around makes it their lead story, treating it as if it's a health crisis of monumental proportions. Meanwhile, nearly 42,000 people die in this country every year as a result of drug overdoses.