Dating after the end of the world

"Casey Pearson grew up with a doomsday-prepping father. At eighteen, tired of living an unconventional life, she left home, vowing never to return. More than a decade later, a mysterious viral outbreak changes everything, including the people it infects, turning them into zombielike creatures. It's the end of the world, and no one saw it coming-well, except for Casey's father. With no place left to run and danger lurking around every corner, Case...