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3 Cards in this Set
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- Back
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Define the terms active and passive immunity. |
Active immunity is the type of immunity you get when your immune system makes it own antibodies after being stimulated by an antigen.
Passive immunity is the type of immunity you get from being given antibodies made by a different organism- your immune system doesn't produce any antibodies of its own. |
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How do vaccines give people immunity ? |
Vaccines contain antigen that cause your body to produce memory cells against a particular pathogen. This makes you immune |
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What is herd immunity ? |
Herd immunity is where unvaccinated people are protected because the occurrence of the disease is reduced by the number of people who are vaccinated. |
