Does Autologous match this definition. This is an immunizing agent from living source material

No, the term "autologous" does not match the definition provided. Autologous refers to cells, tissues, or even proteins that are reimplanted in the same individual as they come from. This term is often used in medical procedures such as autologous blood donation (where a person donates blood for their own use) or autologous bone marrow transplant (where the person's own bone marrow is used for the transplant).

The definition provided seems to refer to a type of vaccine or immunizing agent that is derived from living source material. While autologous materials can be used in the creation of vaccines, the term "autologous" itself does not inherently mean an immunizing agent from living source material.