Immunoglobulin A Journal Article Research Support, N.I.H., Intramural Research Support, N.I.H., Extramural SAIDS Vaccines AIDS Vaccines AIDSVAX Antibodies, Neutralizing Antibodies, Viral Antigens, CD19 Antigens, CD20 Endotoxins Feces Functional antibody activities Gene Products, env Histocompatibility Antigens Class II Homing markers Immunoglobulin G Interferon Regulatory Factors Ki-67 Antigen Memory B cells Mucosal and systemic humoral immunity Mucosal memory B cell phenotypes and distribution Neutralization Non-human primate mucosal IgA Peptide M Phagocytosis Plasmablasts/plasma cells Poxvirus-, adenovirus-, and DNA-based vaccines Receptors, Chemokine