Does pokerus work with rare candies?

No, Pokerus does not work with rare candies. Pokerus is a virus that can be spread between Pokémon, and it causes them to gain experience points more quickly. Rare candies are items that can be used to increase a Pokémon's level without having to battle. Since Pokerus does not affect a Pokémon's level, it does not work with rare candies.