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PASSIVE AND ACTIVE IMMUNITY

Horizontales
Type of immunity arising from a natural response to infection or by vaccination.
Found on the surface of pathogens and activate an immune response.
When antigens on the surface of a particular pathogen change as a result of mutation (two words).
When a large proportion of the population have been vaccinated, making it hard for a particular disease to spread (two words).
Verticales
Used in medicine to target antigens on cancer cells. They may have a cytotoxic drug attached (two words).
Preventative measure which provides some immunity to particular diseases. A patient is injected with a dead or inactive pathogen.
These cells contain antibodies and are produced in large numbers in response to natural infection or vaccination.
Type of immunity arising from the passing or antibodies from a mother to the fetus. Can also be given antibodies by infusion.