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one who examines diseased tissue |
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the manner in which disease developes |
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the ability of a microorganism to cause disease by overcoming the defenses of a host |
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the probability that a microbe will cause disease |
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infection which results in a change from a state of health |
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the invasion or colonization of the body by pathogenic microorganisms |
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two or more organisims living together |
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one benefits, the other is not harmed |
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one benefits, the other is harmed |
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normally do not cause disease |
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we are not the microbes usual host |
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weakened but not virulent |
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cn be spread from host to host directly or indirectly |
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Can easily be spread from host to host |
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cannot be transmitted from host to host |
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study of the occurrence distribution and control of disease within a population |
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the fraction of a population that contracts the disease during a particular time period. |
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fraction of the population having the disease at a specified time. (morbidity) |
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a disease that is always present whitin a population |
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larger than usual number of cases over a short time period |
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unusually high prevalence of a disease within a defined area |
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high morbidity over an expanded geigraphic area- (worldwide) |
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developes slowly but last a longtime |
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present but undetected for a long time |
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demonstrated by a percentage of a population that is immune to a disease |
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confined to a small area of the body |
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bacteria multiplyng in the blood
along with severe imune respone |
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spread of infection in humans |
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Spread of infction from animals |
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