Right up to and at least one minute passed the very end of all the main end credits' there is a shot of the "vampire blood-wheel" in motion. Again, this is after the end credits after at least one minute of blank/black screen, on the UK Metrodome DVD.
The split-second image that pops up before the cast credits begin, is actually of the director, Juno Mak, who is sitting on seat 13.