secondary immune response

https://doi.org/10.1351/goldbook.13662
Qualitatively and quantitatively improved immune response that occurs upon the second encounter of primed lymphocytes with a given antigen.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1242 [Terms] [Paper]