Infectious Disease Development and Prevention

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Disease-producing properties of microbes

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Microbes can cause diseases by invading host tissues, producing toxins, and evading the immune system.

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Definition of immunity

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Immunity is the body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.

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How immunity can cause damage to the body

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Immunity can cause damage through hypersensitivity reactions and autoimmune diseases.

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Allergic reaction

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A cause of disease where the immune system reacts to a substance.

Tags

NGSS.HS-LS1-3

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Disease causes overview

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Multiple factors including biological, nutritional, and immune-related.

Tags

NGSS.MS-LS3-1

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Exogenous Infectious Disease

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Caused by organisms entering the body from the external environment.

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Organisms in Infectious Diseases

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Multiply and cause tissue damage.

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Endogenous Example

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Infections from bacteria normally present in the body.

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Symptoms of Infectious Diseases

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Fever, fatigue, and inflammation.

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Complications of Infectious Diseases

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Chronic illness and organ damage.