No, there's no scientific basis for it to even be possible.

Hmm, some science could be stretched to make it work, but it's practically impossible.

Well, we don't know everything about science, so maybe?

Sure'eh nuff! Vee Vampires are all'ahround you! Blaaaah!

The biology sounds plausable to be more of an offshoot from zombism.

Dunno...

Other: