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Biological Agents

Biological Versus Non-biological Agents The most prevalent biological agents found in indoor air include viruses, bacteria, fungi, algae, amoebae, pollen grains, dust mites, insects and human and animal danders. Most bacteria in the indoor air originate from humans, whereas most fungi and pollens enter the home through windows and doors from the outdoor air or are carried in on clothing. Those familiar with environmental controls for allergy will understand Biological Agents many of the simple techniques used to prevent this passive transport of such agents into the home. 1.Viruses and Bacteria 2.Mold 3.Indoor Plants 4. Pets

Main sources of pollutants: House dust; pets; bedding; poorly maintained air conditioners, humidifiers and dehumidifiers; wet or moist structures; furnishings

Health effects due to exposure to biological pollutants:

Allergic reactions; asthma; eye, nose, and throat irritation; humidifier fever, influenza, and other infectious diseases.

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User:Dr Karabi Dutta 15 October 2004

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Page created: 15 October 2004; Last edited: 15 October 2004; Version: 0
Knowledge Bank text is available under the terms of the GNU Free Documentation License.

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