This has been going on for some time, so yes, they are. Educational services, social services, business services. I've been here just over two and a half years, myself.
There have been different kinds of vampires who have come through the Tesseract at different times, some dangerous and some benign. My fiancee' is a type of vampire from our own world. I teach the class for those interested in the subject, and for those who wish to be versed in case the more threatening types of vampires arrive and somehow make it past S.W.O.R.D.