player.addspell 000b8780 - Gives you vampire disease (wait 3 nights).
player.addfac 0002eb13 0 - This Mod stops vampires from attacking you + they will accept yields from you if you hit them. (You don't need to be a vampire for this command to work it works with all classes).
addfac 0002eb13 0 - this mod stops vampires attacking who ever you want. Just click the NPC you don't want vampires attacking and type the command then they will become part of the vampire faction.
player.setrace (your race)racevampire - turns you into a vampire remember you can use any race such as highelf, nord, etc.
setrace (race)racevampire - Turns and NPC to a vampire but doesn't give them vampire abilities (only vampire features looks). Good command if you want your follower to become a vampire.
Enjoy
