I would just like to point out that "28 Days Later" is itself arguably a film adaptation of John Wyndham's []
I would just like to point out that "28 Days Later" is itself arguably a film adaptation of John Wyndham's book "The Day of the Triffids", with zombies in place of extraterrestrial christmas trees :
Wake up in hospital, find the world has gone to hell, round up survivors, get help from a military group. But zombies !