title: Optimism over vaccines administered via mucosal surfaces.
authors.affiliation: Center for Vaccine Development, University of Maryland School of Medicine, Baltimore 21201, USA.
authors.forename: M M
authors.initials: MM
authors.lastname: Levine
authors.forename: G
authors.initials: G
authors.lastname: Dougan
mesh_terms: D001428:Bacterial Vaccines / Q000008:administration & dosage*; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009092:Mucous Membrane; D014611:Vaccination / Q000379:methods*; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D001428:Bacterial Vaccines; D014765:Viral Vaccines