Bad Blood

When his best friend is killed by vampires, college student Trick Croft sets out to get revenge and after learning that his blood is poison to the creatures, will stop at nothing to eradicate them.
Life was hard enough for Trick Croft as a college student and a cancer patient--then the vampires attacked and slaughtered his best friend. Now Trick knows that his blood is poison to the bloodsuckers, and he will stop at nothing to eradicate them.Collects issues #1-#5 of the Dark Horse original series.