(A) A schema for FX1 injection, blood collection, and lymph node biopsy sample collection in the study. (B) The frequency of immune response cells in the PBMC and lymph node were analyzed by flow cytometry and presented. (C) The frequency of T cell subsets [CD4+, CD8+, double positive (DP), double negative (DN)] in the PBMC and lymph node analyzed by flow cytometry were presented. (D) The body weight measured before and after FX1 treatment was presented. (E-F) The white blood cell counts (WBC) (E) and platelet (F) obtained by CBC analysis were presented. Note panel B lists color code for animal data shown in panels B-G.