What are biological hazards in housing?

Biological hazards in housing are primarily related to organic substances that can adversely affect human health. This includes microorganisms such as mold, bacteria, and viruses, which can be found in damp or unclean environments. Mold spores, for instance, can propagate in areas with excessive moisture and poor ventilation, leading to respiratory issues and allergic reactions. Bacteria can thrive in unsanitary conditions, potentially causing infections or illnesses. Viruses may also appear in housing situations, especially where sanitary conditions are lacking or where contact with contaminated surfaces occurs. Addressing biological hazards involves ensuring proper sanitation, moisture control, and overall cleanliness to mitigate health risks associated with these organic agents.

The other options refer to factors that do not align with the definition of biological hazards. Chemicals that aim to improve air quality, physical infrastructure pollutants, and harmful construction materials fall under different categories of hazards, such as chemical, physical, or environmental hazards, rather than biological threats. Understanding the distinction between these types of hazards is crucial for effective housing sanitation and safety practices.