A "quarantine zone" is an area where people or animals are kept separate and restricted from the rest of the population. This is done to prevent the spread of a disease or contamination to others. Full definition
Dead Rising: Endgame, ``... begins by dropping us into the zombie - infested quarantined zone of East Mission City where investigative reporter Chase Carter must stop a secret government conspiracy which, though seemingly aimed at ending the country's zombie epidemic, will also kill millions of innocent civilians.» (bloody-disgusting.com)
Annihilation is about a mysterious quarantined zone which is full of creatures and landscapes that are mutating due to some alien phenomena. (indianexpress.com)
Based on the hugely popular Dead Rising video game franchise by Capcom, which has sold over 9.1 million copies worldwide, DEAD RISING: ENDGAME drops us into the zombie - infested quarantined zone of East Mission City where investigative reporter Chase Carter must stop a secret government conspiracy which, though seemingly aimed at ending the country's zombie epidemic, will also kill millions of innocent civilians. (eclipsemagazine.com)