Each villager having a variant of Frostbitten, Burned and the eponymous Husk would be very cool.
Zombie villagers could turn into Frostbitten when stuck in powder snow
They can have a unique clothing texture depending on the transformation into any zombie
A villager infected with a Husk will also be turned into a Husk and will be difficult to cure depending on the difficulty, its curing may differ from the normal mechanics
Zombie villagers can also turn into Burned if they fall into lava, but it will be impossible to cure them
Each villager having a variant of Frostbitten, Burned and the eponymous Husk would be very cool.