Something for zombie fans to tide you over until series 3 of The Walking Dead appears on our screen. Here the slightly twist is that the affliction to which the title refers is one that creeps up on people in old age, and has led to old people, both infected and not yet infected, being decanted to FEMA camps, where a few brave medical staff try their best to look after their needs. The protagonist is a sort of combo of Ellen Ripley and Florence Nightingale, in a story that ends up with a tense drama bound to give flashbacks to those scary moments watching TV, or opening a door in Resident Evil and seeing what awaits behind….