This species may contain drugs and alcohol useage, as well as...parasites.

Corporites are parasitic bugs that originate from fleas on...cats(!?!?) They have evolved and now prey on humans. The human host dies but the Corporite parasite keeps it "alive" by forcefully pumping blood to and from the body.
The Corporite infestation began when street cats began to interact with house pets, which then interacted with humans. The parasites would then spread to the human after making contact with their beloved pet. The parasites are known to the public as "Super Ticks."
Symptoms of an infestation begin with a pounding migraine. This is because of the parasite digging into the skull of the victim. There are no other warnings that the parasite may be using your body as a host, other than the occasional blood film on your pillow. It takes four weeks for the parasite to take over: Week one is the hardest to tell apart from a normal person; the parasite attaches itself to the back of the Occitipal Bone (part of the skull) and begins drilling into it. Week two is the most painful; the parasite begins to dig and attach itself to the host. After week two, it is impossible to remove the parasite without risking death. Weeks three and four, the host is dead. The Parasite is now fully attached and growing.