Doctors admit they are baffled by a mysterious flesh-eating virus
that has been rotting a man's face away - leaving him in agonising pain.
Huynh
Van Dat has been unable to get a proper diagnosis for his illness,
which has now left him bed bound and in constant distress.
Unbelievably,
the video shows the man's condition in its relatively early stages,
after it started eating away at his ear, leaving a huge open wound on
the side of his...
