Question

Write a note on ‘artificial acquired active immunity’.

Answer 1

Artificially acquired active immunity:
 It is acquired artificially by vaccination.
 Vaccines contain dead or live but attenuated pathogens or toxoids.
 These consist of microbial components or toxins secreted by the pathogens.
 The vaccine is introduced into the body to stimulate the production of antibodies by the immune system.
 Examples: Polio vaccine, BCG vaccine