malaria(2) aging(2) secretory IgA(1) correlates of protection(1) vaccination(1) bulbectomy(1) Tfh(1) stem cells(1) T cell(1) immunosenescence(1) Brainstem(1) cytokine(1) clearance(1) mucosa(1) pre-existing memory(1) integrin(1) α-SMA.(1) latency(1) Vaccines(1) Antibody responses(1) innate immune memory(1) Plasmodium berghei(1) Immunological memory(1) mesenteric lymph node.(1) variants(1) inflammaging(1) olfactory bulb(1) Th1(1) Active disease(1)