The Virus (A story about a Zombie apocalypse)

Liam is 18 and lives with his older sister Amanda. They are both orphans. They are in the midst of a Zombie Apocalypse where millions of people are infected with the so called 'Zlotoria' virus which attacks the brain and nervous system, re-wiring them to become Zombies'. Will they survive? Can you survive an Apocalyp...