title: Two is better than one.
authors.affiliation: Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA. shan.lu@umassmed.edu
authors.forename: Shan
authors.initials: S
authors.lastname: Lu
mesh_terms: D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics* / Q000276:immunology*; D007252:Influenza Vaccines / Q000235:genetics* / Q000276:immunology*; D007251:Influenza, Human / Q000517:prevention & control*; D019444:Vaccines, DNA / Q000276:immunology*
chemical_list: D007252:Influenza Vaccines; D019444:Vaccines, DNA