IMMUNOLOGY

Detailed explanation-1: -Natural immunity is acquired from exposure to the disease organism through infection with the actual disease. Vaccine-induced immunity is acquired through the introduction of a killed or weakened form of the disease organism through vaccination.

Detailed explanation-2: -Artificial acquired active immunity is the type of immunity which is acquired artificially by vaccination. Vaccines contain dead or live but attenuated (weakened) pathogens or toxoids consisting of microbial components or toxins secreted by the pathogens.

Detailed explanation-3: -Active artificially acquired immunity refers to any immunization with an antigen. During artificially acquired active immunity, one is immunized with one or more of the following: attenuated microbes, killed organisms, fragmented microorganisms, or antigens produced by recombinant DNA technology, or toxoids.