aspergillus niger, black mold occurs in damp, unventilated rooms, in corners and under wallpaper

bathroom allergies pneumonia intoxication condensation mold wall house mould mildew damp black corner moldy fungus mouldy wet room allergy asthma bacteria fungal health hygiene interior microbiology microorganism mildewed pattern poison water texture messy sickness rental shabby musty renovate organic background rotten growth sanitation renovation