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y Classification environmental agents Environmental Description and examples agent Biological Comprises all flora and fauna, including pathogenic parasites (e.g. schistosoma), viruses(e.g enteroviruses), and bacteria (cholera, typhoid) Physical Geological, geographical, climatic and meteorological characteristics. Noise vibration, motor vehicles and other means of transport Chemical Organics and inorganic chemicals, drugs, alcohol, dust Social Lifestyle characteristics such as smoking or diet /economic development, population, government policy, warClassification environmental agents Environmental agent Description and examples Biological Comprises all flora and fauna, including pathogenic parasites (e.g. schistosoma), viruses (e.g. enteroviruses), and bacteria (cholera, typhoid). Physical Geological, geographical, climatic and meteorological characteristics. Noise, vibration, motor vehicles and other means of transport. Chemical Organics and inorganic chemicals, drugs, alcohol, dust. Social Lifestyle characteristics such as smoking or diet / economic development, population, government policy, war……
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