Mold is a type of fungus. It reproduces by spreading spores into the air. These spores generally only go a short distance, so they’re not really something to worry about most of the time.
If the type of mold is particularly resilient or particularly harmful, then tracking from one place to another may be a concern, but often times washing your fabrics before moving them is enough to keep the spread down and kill any spores that may be hangers-on.
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