Feel the Dead (fka Age of the Undead)

An American Family goes on a vacation. During their trip, they begin to notice that something strange is happening to the people around them. They are starting to sound and look crazy, attacking their own kind for no apparent reason and even devouring one another like wild beasts. The family manages to escape in panic and soon they realize that the only way they can manage to stay alive is to defend themselves. Through their struggle for survival, they encounter people from different backgrounds and are forced to band together for one purpose - survival.