Responses
Do you think he did that with the woman? He just sucked on her in a dirty back alley ... plus the amount of time it takes for an HIV/AIDS test to come back is up to three months if newly infected. (about 15-20 minutes at a high end lab for first results .... but they like to test at least twice - three months apart to be sure)
weird infections probably just leave a bad taste

Do vamps really do blood tests and bath their prey before biting? That part was a little ... um ... odd.