Download - Disease of Immune Response and Immunisations
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Disease of Immune Response and Immunisations
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• Autoimmunity is a destructive immune response against self antigens
• Autoimmune diseases are hard to stop• Severity ranges from minor to lethal
Autoimmune disease
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Some commom autoimmune diseases
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Some autoimmune diseases may have a genetic component and are triggered by external factors (e.g., infection) or injury. Others are probably strictly caused by external factors (e.g., infection) or injury
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Autoimmune diseases can be organ-specific or systemic
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There are 4 types of hypersensitivities:Type 1 refers to allergens that a person
may induce or come into contact with in day to day life.
Type 2 refers to the hypersensitivity of antigens in red blood cells.
Type 3 refers to the reaction of the immune system to foreign antigens.
Type 4 refers to antigens that induce a delayed hypersensitivity reaction.
Hypersensitivity
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Allergens cause type 1 hypersensitivities. Some examples include:
Allergens
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Allergic responses
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Vaccines
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How vaccines work
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Antibody serums
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Herd immunity
If enough individuals in a population are immune, infectious disease are not easily maintained or transmitted within the group. Thus, even individuals that are not immune are protected from infection