Scientists say: Hit Them Hard!
Scientists from the University of Ottowa have modelled the effects of a classical zombie plague, as part of a model in epidemiology.
They looked at what would happen if uninfected humans attempted to cure or quarantine zombies, and the effects of retaliation:
We show that only quick, aggressive attacks can stave off the doomsday scenario: the collapse of society as zombies overtake us all.
It looks like we might have a need for all those zombie Instructables after all!
PDF of the paper, via BBC story.