Mold and mildew grow because of moisture and humidity. They thrive in damp, warm, dark, poorly ventilated places. Once a person develops a respiratory problem caused by mold, they are sensitive to mold forever. Another school, an Elementary School in Indiana, was shut down. In this case, during some asbestos abatement work at the school several months ago, several people broke out in skin rashes.
Infection is by inhalation.
Most bacteria and viruses are generated by people, through coughing, sneezing, and breathing. These appliances provide an ideal condition, not only for breeding, but also for dispensing the tiny microbes into the air you breathe. Oven cleaners, air fresheners and disinfectants, furniture and floor polishes, fabric cleaners and stain repellents, drain cleaners, and bleaches all contain an astonishing array of organic compounds, solvents, and toxic chemicals that pollute indoor air. It contains a respiratory irritant. These may contain liver-damaging chemicals, and bleaches that irritate both lungs and skin.