Infection is the terminology given to various types of infection that can be found on The Backrooms. Some of them being Diseases, Parasites, Fungus, Spores and even more.
Some Infections might be unique to a Life-Form, some might be natural across Levels. Some have a threatment process, and some don't, it really depends on how unlucky or unresponsable you are to get a Infection.
Understanding about these Infections and their side-effects, threatments and sources is a crucial method of survival inside The Backrooms, it is important that you read them as soon as possible since most of them can be deadly if ignored.