I think that freezing solid over the course of a few months would destroy the zombifying virus.
TPBM suddenly realized that huge chunks of those people denying global warming are actually the thin wedge of a zombie misinformation campaign designed to make the world more hospitable to the zombies, increasing the likelihood their triumph.
The Lady with a Lamprey
"The powerful are exploiting people, art and ideas, and this leads to us plebes debating how to best ration ice.
Man, no wonder they always win....." Lonesomebri
Get a Taint, you pathetic cur!