Active immunity features

  • The need to be exposed to a pathogen or to the antigen of a pathogen, which leads to the production of antibodies
  • The cells involved are of three types: T cells, B cells and anti-presenting cells
  • Immunity is acquired after several exposures to the antigen
  • Active immunity can last up to an entire life
  • This type of immunity can cause at most some autoimmune disease and allergies, however, there are no issues generally.

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