Flashcard Set Preview
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| 1 |
what is incidence of a disease?
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-the fraction of population that newly acquires a disease during a specific time period
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what is prevalence of disease?
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-fraction of population that has symptoms of disease during specific time period including...
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| 3 |
what is sporadic disease
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-disease that occurs occasionally and spread all over the world as individual cases
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what is endemic disease
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-disease that occurs continually at low levels0pathogen may not be very virulent or most of...
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what is epidemic disease
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-disease that occurs sporadically but at elevated levels and continues at low levels in between
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what is pandemic disease
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an epidemic that is widely spread
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what is disease outbreak
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-relatively high number of disease cases in areas that previously had only sporadic cases
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what are reservoirs of infection and what are some examples
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sites that the infectious pathogens remain and from where these infections can occur-humans:...
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| 9 |
define virulence, infectious dose and lethal dose
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-the ability of a pathogen to cause disease-the number of bacteria it takes to cause disease-number...
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what causes nosocomial infections
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-patients are reservoirs for pathogens that cause disease-patients are exposed to bacteria...
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