Vaccines

• Vaccine immune response

  A) primary

  B) secondary

  
• Active immunity

  stimulation of the production of

  antibodies by the individual’s own immune system.

  Direct contact with the pathogen or antigen is necessary.
• Passive immunity

  produced by the introduction of

  antibodies into individuals from an outside source. No

  direct contact with the pathogen or antigen is necessary

  to induce immunity.
• Immunity tree

  A) natural active

  B) artificial passive