Final answer:
The type of adaptive immunity that this statement describes is artificially acquired passive immunity, which is acquired through the injection of antibodies from an individual or host with immunological memory to the specific pathogen.
Step-by-step explanation:
The type of adaptive immunity that this statement describes is artificially acquired passive immunity. This immunity is acquired through the injection of antibodies from an individual or host that has immunological memory to the specific pathogen or antigen. The injected antibodies provide immediate protection, but the recipient does not develop their own immunological memory or long-term protection.