Night Screams is a story in issue #159 of the 1st volume of the Uncanny X-Men written by Chris Claremont.
Synopsis[]
The mutant Storm is bitten by Dracula and the X-Men battle the Lord of Vampires to save their teammate.
Note[]
The vampires of Marvel Earth are part of the Mythos. Being created by the Darkhold (the source of the Necronomicon), which was created by the Elder God Chthon. The Darkhold not only has a spell which creates vampires but one that destroys them. Vampires have used the Darkhold to enhance themselves and Dracula, the Lord of Vampires was himself destroyed and restored by the Darkhold, and has used it to increase his powers.