(figured I'd put all these in the same post)
"Without going deep into the philosophy behind 'being in danger', not that I can see. As far as I remember, even if everything went right for the vamp, blood, dark magic or whatever, et cetera, there is one very important factor for being a vampire:
They're undead. Meaning that by definition, to become a vampire you have to be dead, then come back to life. So at present no, not in any real danger. Personally, I'd advise a check anyways, but since we're fresh out of spellcasters who can do that, to my knowledge..."
"Oh, yeah. You won't be able to remember anything major without a serious (and intrusive) mental investigation." He nods sagely.
"...Um. I don't really think anypony in the room or the famileis of the deceased need to know, other than it's ah...simple." He looks uncomfortable.