KISMET--(fate) By Suzanne Herlihy & Pierce Grant
It starts out that Kevin, a cop, is transported to an island. He has to be reborn as part of an experiment.
This is a sci/fi fantasy/mystery.
He wants to just go back to the states and be with his family.
Once he grows up and goes back to the states, he gets a flesh eating cannibal virus! The doctors try and cure him, but he still has 4% of the virus in him and he turns into a vampire.