Term
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Definition
| short-term infection usually characterized by dramatic onset and rapid recovery |
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Term
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Definition
| sub-clinically infected individuals who may spread a disease |
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Term
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Definition
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Term
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Definition
| an epidemic resulting from infection of a large number of people from a single contaminated source. |
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Term
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Definition
| infectious disease whose incidence has increased in the past 20 years or whose incidence threatens to increase in the near future |
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Term
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Definition
| disease constantly present, usually in low numbers |
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Term
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Definition
| the occurrence of a disease in unusually high numbers in a localized region. |
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Term
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Definition
| the study of the occurrence, distribution, and control of diseases |
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Term
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Definition
| inanimate objects that, when contaminated with a viable pathogen, can transfer the pathogen to a host |
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Term
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Definition
| resistance of a group to a pathogen as a result of the immunity of a large portion of the group |
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Term
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Definition
| an epidemic resulting from person-to-person contact, characterized by a gradual rise and fall in numbers of cases |
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Term
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Definition
| the number of cases of disease in a population |
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Term
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Definition
| incidence of the illness in a population |
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Term
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Definition
| incidence of death in a population |
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Term
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Definition
| hospital-acquired infection |
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Term
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Definition
| the occurrence of a large number of cases of a disease in a short period of time |
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Term
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Definition
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Term
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Definition
| the proportion or percentage of individuals in the population having a disease |
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Term
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Definition
| the health of a population as a whole |
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Term
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Definition
| the practice of restricting the movement of individuals |
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Term
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Definition
| infectious diseases, thought to be under control, that produce new epidemics. |
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Term
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Definition
| sites in which viable infectious agents remain and from which infection of individuals may occur |
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Term
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Definition
| observation, recognition, and reporting of diseases as they occur |
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Term
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Definition
| a living agent that transfers a pathogen |
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Term
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Definition
| nonliving source of pathogens that infect large numbers of individuals; common vehicles are food and water |
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Term
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Definition
| a disease that occurs primarily in animals but can be transmitted to humans |
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Term
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Definition
| disease causing micro organism |
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Term
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Definition
| the ability of a microorganism to cause a disease |
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Term
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Definition
| the causative agent is limited to one place in the body (boil) |
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Term
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Definition
| the infecting agent spreads throughout the body |
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Term
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Definition
| disease that infects a healthy host |
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Term
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Definition
| disease that infects a weakened host |
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Term
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Definition
| illness in which the symptoms are so mild it goes undetected (polio, CMV) |
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