Code Red Making 28 Weeks Later. The Fifth Special Feature from 28 Weeks Later an in-depth look behind the conception of the sequel with lively commentary by Director Juan Carlos Fresnadillo and Writer Enrique López Lavigne. The processes of making 28 Weeks Later from conception, writing, casting to final post production. A look at repopulating a decimated UK and London in particular at the same time dealing with a dangerous virus. Rage is something you see in this world everyday and it is the center of the virus.