Microbiology and Related Terms

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Virus

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Tiny infectious agents that can only multiply when they are inside a host, the living cells of plants, animals, or bacteria.

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Fungi

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Organisms such as yeasts or molds that reproduce quickly in moist, humid environments.

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Microorganism

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A microscopic organism such as a bacterium, virus, or fungus. Although viruses are not considered living organisms, they are sometimes classified as microorganisms.

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Antibiotic

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A medicine that limits the growth of or destroys microorganisms.

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Incubation period

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The time between contact and onset of illness.

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Objective

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Not based on personal feelings or opinions.

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Subjective

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Based on personal feelings/opinions.

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Microbiologist

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An expert in microbiology, the study of microorganisms such as bacteria and viruses.

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Diagnosis

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The identification of an illness or other problem by examination of the medical evidence.

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Agent

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In disease, a factor, such as a microorganism or a chemical substance, that can impact the development of a disease or illness.