A dpt vaccination is an example of active humoral-mediated immunity.
Hence option(a) is correct.
The DPT vaccine, sometimes known as the DTP vaccination, belongs to a group of combination vaccines that protects against diphtheria, pertussis (whooping cough), and tetanus in humans.
Diphtheria and tetanus toxoids, as well as pertussis antigens or dead pertussis-causing bacteria cells, are included in the vaccination.
The whole cells or antigens will either be written as "DTwP" or "DTaP," where the lowercase "w" represents for whole-cell inactivated pertussis and the lowercase "a" for "acellular."
Any type of immunity that develops as a result of the body's own immune system mounting an adaptive immunological response is referred to as active humoral immunity.
Because memory cells with antigen-binding affinity maturation are formed during the lymphocyte differentiation and proliferation that takes place during the establishment of an adaptive immune response, active immunity is long-lasting (sometimes lifelong).
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