From the publisher: Description: Expansion Deck A new breed of Zombie has emerged in the Zombie Apocalypse. The Infected are not your typical undead Zombie, but a Human infected with a virus that makes them an unthinking killer that will attack anything else that moves, Human OR Zombie. They taste just the same to a regular Zombie though, just a little spicier! Welcome to the Zombie Apocalypse! You need the Zombie Apocalypse basic deck to use this expansion. Components: The Infected Deck (1 deck of 14 cards) Tuck Box, Clear, 52 Cards