Answer:
Artificially acquired active Immunity
Step-by-step explanation:
Active Immunity has to do with exposing the body to a health threat inorder to build or develop an adaptive immune response.
Vaccines induces a lengthy protection inform of immunity against antigens. And they are grouped as artificially acquired active immunity.
This artificially acquired active immunity are forms of protection created by consciously introducing an individual to antigens available in a vaccine in a way of creating an immune response