Inner Demons

Welcome to a world of blood and gore, with demons and vampires and angels galore...

The flu had always been a penetrable foe in the past, but the latest strain came from somewhere else. It wiped out 99% of the world's human population, leaving the remaining 1% to either drown in misery or find new hope in narcissism. Twenty years later, Elijah falls into the latter category. Having discovered that he, and only he, has the ability to draw demons out of the Possessed, he decides that he must have been chosen to lead the 'new world.' However, his attempts to bring the 'chosen few' under his wing do not go as well as he hopes.

Lindsey, on the other hand, falls into a category of his own. As a vampire, death is no stranger, but given the lack of newly deads to choose from after the post-Flu population drop, avoiding starvation has become a struggle. He survives by sleeping through his days, but the arrival of a past enemy and a less-than-wise decision to help a murderer force him back onto the road. Unfortunately, he quickly discovers that the new world does not follow the same logic that it did before.

TL;DR - Most of the world died from a flu pandemic so there's a post-apocalyptic type situation where demons possess people.