From the New York Times:
Did China have a death from avian flu two years before it admitted having any human cases?
The mystery deepened yesterday, and the possibility was raised that someone had tried to block publication of that event from a prestigious American medical journal.
The New England Journal of Medicine reversed an announcement it had made two days before, now saying that the eight Chinese authors of a letter describing a man’s death in 2003 from avian flu had insisted that they really did want it printed. [Full Text]