Immunologist (noun)

A specialist in the study of the immune system and its functions and diseases.

Origin:

From french immunologiste, from immunologie, the science of immunity, from in- + greek lōgos, discourse.

Examples:

1. The immunologist was sought after for his expertise in developing vaccines.
2. The immunologist was an important member of the team working on the cure for cancer.
3. The immunologist conducted extensive research on the body's natural defenses against disease.
4. The immunologist was a sought-after speaker at international conferences on the topic of immunity.
5. The immunologist was hired by the pharmaceutical company to lead their efforts in developing new drugs.