Slate have an amazing break-down of Vampires over the past 50 years - from Count Von Count to Edward Cullen with a lil Lost Boys and Buffy on the way as well as all the gaps inbetween - they break it down and discuss:
Looking back, it's hard to think of a period when we weren't in the middle of a vampire craze ...Via TwiFans
So perhaps instead of talking about vampire crazes, we should really be talking about vampire droughts. The brief, anomalous periods when few or perhaps even no vampire movies, books, or TV shows are produced at all. The Garlic Years.