6.3 Developing immunity
- Created by: Eva
- Created on: 10-01-13 19:43
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- Developing Immunity
- Natural active immunity
- Coming into contact with a pathogen activates your immune system
- You make the antibodies
- Gain immunity
- Natural passive immunity
- Antibodies passed on through mother through breast milk/ placenta
- Temporary
- You do not produce the antibodies
- Immunisation
- PROS
- Prevents death/ disability
- Herd immunity
- Long term - saves money
- CONS
- Violent allergic reactions in some
- Extreme immune response can cause death
- Linked with atopic illnesses
- Vested interests: to benefit society not individuals e.g. Cervical cancer vaccine for girls
- Protecting people from infection by giving them passive/ active artificial immunity. Immune system exposed to antigens in a safe way.
- PROS
- Artificial passive immunity
- Antibodies injected into you before off on unplanned holiday
- Temporary
- You did not produce the antibodies
- Artificial active immunity
- Get a vaccination with an attenuated or detoxified pathogen
- Gain immunity
- You produce the antibodies
- Adjuvants
- Most vaccines won't work without them
- Something added to cause inflammation
- Helps vaccine to come intro contact with immune system
- E.g. detergent, water and oil, death bacteria and aluminium hydroxide
- Natural active immunity
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