Word: agent
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Dates: during 1990-1999
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Under the affect of Norwalk agent, "villi are blunted," says the text. Villi, normally finger-like protrudances which absorb food particles, become squashed like mushrooms...
While no one is sure exactly how the Norwalk agent causes vomiting and diarrhea, epidemiologists have identified this virus family and are familiar with its handiwork...
...usually an epidemic agent," Freeman said...
Diarrhea, one of the symptoms caused by the Norwalk agent, "is associated with the transient malabsorption of D-xylose and fat," according to the text. After the damage of the Norwalk agent, it may take two weeks for the absorption levels in the body to return to normal...
...knows, however, exactly how the agent triggers negative reactions in the body. But the results are clear: two to three days of illness, including stomach cramps, headaches, myalgias, low-grade fever, malaise, diarrhea and vomiting...