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2
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Any person, animal, plant, soil or substance in which an infectious agent normally lives and multiplies.
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4
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Prevalence of a disease within an area.
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5
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An infection acquired in hospital by a patient who was
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8
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Worlwide epidemic.
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9
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The development of an infectious disease from time of the entrance of the pathogen to the appearance of clinical symptoms.
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10
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Disease affecting large number of individuals within a population.
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11
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The study of spread and control of diseases.
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12
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A person or an animal that shows no symptoms of a disease but harbors the infectious agent of that disease and is capable of transmitting it to others.
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13
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A specific causative agent (as a bacterium or virus) of disease.
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1
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The time during which the patient is infectious to others.
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3
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An organism (as an insect) that transmits a pathogen from one organism or source to another.
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6
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An inanimate object that can transmit infectious organisms.
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7
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A person who has direct association with an infected individual.
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