Normal humans aren't aware of the existence of vampires back home. Here it hasn't been a secret, and when so many know already it would feel silly to hide it when one could easily find out.
But no, that's not want I meant. [A pause as she mentally goes over the list of other vampires in her head.] In most the other worlds it appears that vampires are dead. Which is kind of creepy. We're definitely nothing of the sort.