What causes the musty smell in wet clothes?is it mold or mildew?can musty smell in wet clothes make you sick?it causes pneumonia,cold,flu,infection?

Molds: Mildew is a kind of mold, and yes molds can affect clothes if not well dried or stored in a damp place. Mols sensitivity is common, and many people allergy allergies to molds that can cause upper and lower airway disease, as rhinosinusitis (inflammation of nasal passages and sinuses) or asthma, better see an allergist/immunologist , check aaaai.org or acaai.org for an allergist in your area,