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Norwalk and Norwalk-like viruses usually cause a mild illness, with onset marked by sudden vomiting and diarrhea. Usually within a day or two, the vomiting and diarrhea have passed. Because the virus multiplies in the intestine, a very large number
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If so, are there special precautions they should take? Some persons at particularly high risk should take more precautions. Pregnant women, the elderly, and those weakened immune systems are at higher risk for severe infections such as Listeria and
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Abnormal illness behavior (AIB) has been proposed as a construct measuring the inappropriate or maladaptive modes of responding to one's state of health, and the Illness Behavior Questionnaire (BQ; Pilowsky, 1975) was designed to measure this
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The usual criteria for a fever that needs medical attention soon is any fever that goes over 104 degrees F (105 degrees F is usually considered the heat-stroke level, where brain damage can occur) or any fever that stays above 102 degrees F for
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There are seven strains of C. botulinum, based on differences in antigenicity among the toxins, each characterized by its ability to produce a protein neurotoxin, enterotoxin, or haemotoxins. Types A, B, E, and F cause botulism in humans, while
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Health care is one of the scarce resources over which groups compete. On a global level, health care follows the stratification that we studied in Chapter 9. The best health care is available in the dominant nations, the worst in the dependent
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If your patient is sick with influenza-like illness (defined as having a fever of 100°F (37.8°C) or greater AND a cough and/or sore throat without another known cause) and you decide they have a moderate to severe illness, you should wait to
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It is difficult to determine. Each part of the food chain poses different risks. For example, the relatively uncontrolled environment of production agriculture may present numerous avenues for food to become contaminated by pathogens. The
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This bacteria can make people sick in two ways. If it enters an opening in the skin, it can cause a serious skin infection. This usually happens when a person with a cut or abrasion swims or fishes in seawater containing a high number of these
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It has already been scientifically proven that silicon has no injurious effects on health whatsoever; silicon is used in other medical areas as well.
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