Question

Explain, with examples, how innate and adaptive immunity is different. What is the difference between active and passive immunity?

Answer 1

The innate immunity is referred to the naturally occuring immunity by the genetic constituents and the physiology of the person. This type of immunity generates a non specific response.

Example : Redness and swelling caused by white blood cells around a wound.

Adaptive immunity refers to an acquired immunity which is stimulated by B cells and T cells and characterized by an immunological memory. This type of immunity generates a specific immune response.

Example : vaccination against a virus.

The active immunity ​​​​​​ refers to an immunity, which results from the production of antibodies by the person own immune system in response to an direct contact of an antigen.

Example : tetanus vaccine

The passive immunity refers to a short term immunity which results from the introduction of antibodies from the outside.
  
   Example : anti tetanus serum