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Bacterial Gastroenteritis Learning Center
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Contaminated Food Intake
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Living in residence with poor sanitation
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Water Pollution
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During the 1960s, the Cuyahoga River in Ohio caught fire, Lake Erie was so polluted it was said to be dying, and human sewage and pollution commonly killed fish in the nation's rivers and streams. Public concern grew so overwhelming that the Unite...
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Disinfection is the most important step in the water treatment process to destroy pathogenic bacteria and other harmful agents. Because chlorination is a very common and effective method for such disinfection, most drinking water is treated with c...
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In the United States, the rate of consumption of drinking water is almost 100 gallons per person per day. Only a small portion of the "drinking water" supplied by public water systems is actually used for drinking; other uses include toilet flushi...
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Charles-Edward Amory Winslow (1877–1957) was a seminal figure in public health, not only in his own country, the United States, but in the wider Western world. His vision and intellectual leadership enabled him, more than anyone else, to influence...
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"Water quality" is a technical term that is based upon the characteristics of water in relation to guideline values of what is suitable for human consumption and for all usual domestic purposes, including personal hygiene. Components of water qual...
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The goal of water treatment is to reduce or remove all contaminants that are present in the water. No water, irrespective of the original source, should be assumed to be completely free of contaminants. The most common process used for treatment o...
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An adult human needs to drink at least 1.5 liters of water a day to replace fluid lost in urine, sweat, and respired air and to perform essential biochemical functions. Moreover, almost 90 percent of body mass is water. Water, however, can also ca...
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The term "pollution," which carries with it a sense of an impurity, can be defined as a chemical or physical agent in an inappropriate location or concentration. The sources of pollution are varied. Natural sources include those that are not direc...
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