immunomodulation

https://doi.org/10.1351/goldbook.13305
Modification of the functioning of the immune system by the action of a substance that increases or reduces the ability to produce an immune response.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1190 [Terms] [Paper]