Ashley Parker3 books in series
Plague Town Publisher's Summary
Ashley was just trying to get through a tough day when the world turned upside down.
A terrifying virus appears, quickly becoming a pandemic that leaves its victims, not dead, but far worse. Attacked by zombies, Ashley discovers that she is a "Wild-Card" - immune to the virus - and she is recruited to fight back and try to control the outbreak.
It's Buffy meets the Walking Dead in a rapid-fire zombie adventure!