Board Thread:The Flash discussions/@comment-5441128-20170524174933/@comment-24152851-20170616094902

Ah, so does Elisa know Elsa? I think they'd be good friends.

"Cold immunity" is the cold as in the temperature, not cold the infection. A "cold" as in influenza, is a colloquial term due to the fact it's easier to contract it during cold temperatures, but that doesn't mean a cryokinetic person is immune to pathogens.