Sewer and wastewater testing can help identify the source of pathogenic illnesses. This is referred to as epidemiology. The correct option is A.
What is epidemiology?
Epidemiology is the study of checking diseases and health disorders in a population. There are three types of epidemiology. The descriptive type of epidemiology is often used.
Pathogenic illness is an illness caused by pathogens. Pathogens are the living agents that cause disease to their host. They are viruses, fungi, and bacteria.
Sewage water or wastewater is the water that we use in washing manufacturing. This water contains many pathogens and infection agents which cause illness.
Thus, the correct option is A. epidemiology.
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