The 28 Days Later series consists of post-apocalyptic horror films, based on a concept conceived by Alex Garland. The series includes two released films, with a trilogy of sequels in various stages of development. The plot follows the scientific developments of a pathogenic-disease known as the Rage Virus which is intended for chemical warfare, and its rapid effects on the world population after its unintentional release from laboratories. The series follows various survivors, as they fight to escape contaminated areas and reach designated safe zones, while they attempt to stay ahead of the masses of infected people around them.