Hello, My Roomate Just Got Out Of The Hospital With

Hello, my roomate just got out of the hospital with a bad skin infection. From a fungus I think, and my fiance has porphyria, my roomate says sheshe still contagious after being in the hospital for a couple days. Is it serious to disinfect everything my roomate touches? And how at risk is my fiance? The skin infection she said was Acinetobacter Baumannii Infection