Pathogen

Pathogen (2006) is a horror directed by Emily Hagins rated 5.3/10.

A mysterious technology has transformed the residents of Austin, TX into flesh-craving zombies. Armed with a knife, an axe, and many pairs of flip-flops, middleschooler Dannie and her pee-wee zombie squad take to the streets to battle undead parents, teens, and even a toddler.