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Disease of Immune Response and Immunisations

Disease of Immune Response and Immunisations. Autoimmune disease. Autoimmunity is a destructive immune response against self antigens Autoimmune diseases are hard to stop Severity ranges from minor to lethal. Some commom autoimmune diseases.

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Disease of Immune Response and Immunisations

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  1. Disease of Immune Response and Immunisations

  2. Autoimmune disease • Autoimmunity is a destructive immune response against self antigens • Autoimmune diseases are hard to stop • Severity ranges from minor to lethal

  3. Some commom autoimmune diseases

  4. 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

  5. Autoimmune diseases can be organ-specific or systemic

  6. Hypersensitivity • 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.

  7. Allergens • Allergens cause type 1 hypersensitivities. Some examples include:

  8. Allergic responses

  9. Vaccines

  10. How vaccines work

  11. Antibody serums

  12. 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

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