We Remain

"The world ended. We didn't."

The infection managed to kill 37% of the world's population of children 18 and under before the governments and world leaders came together, dumping billions of dollars into research for a cure, miraculously found in under a year. Those over 18 were asymptomatic to the disease, and only about 2% of the adult population ended up getting the vaccine, whether it be conspiracy nuts or scientists.
Ten years later, the virus has mutated and evolved, but the past vaccine has still protected those who got it. However, the ones left behind have been turned into mindless, flesh-craving monsters who roam the streets.
After being separated from her group as they escape their old school, Mack tracks her her friends across decimated California, encountering more enemies than allies as she attempts to find and reunite with them. Meanwhile, her friends have been clashing with others groups as well. Yet everything is changing, and the rules of the world have drastically shifted.
People's masks slide off, and those who may have been your best friend are now willing to kill you if it helps themselves, or people are simply crazy, going around murdering others as they take joy in the lawless new society.
Because at the end of the world, the only thing more dangerous than what's out there... is who you become.

Attempting to tell it from 4 POVs or more. help