This solicitation summary is to notify all potential offerors of a Request for Project Proposals (RPP) issued through the Rapid Response Partnership Vehicle (RRPV) Consortium on behalf of the Biomedical Advanced Research and Development Authority (BARDA) entitled, "NextGen Vaccines: Immune Assays".   The purpose of this initiative is to establish multiparameter ICS assays to identify and quantify SARS-CoV-2-specific T-cell subsets in peripheral blood mononuclear cell (PBMC) samples.  The full RPP and information on joining the consortium can be accessed through the RRPV website at www.rrpv.org.