title: Merck's HIV vaccine flop brings vectors under closer scrutiny.
authors.forename: Heidi
authors.initials: H
authors.lastname: Ledford
mesh_terms: D016915:AIDS Vaccines / Q000009:adverse effects* / Q000276:immunology* / Q000627:therapeutic use; D000163:Acquired Immunodeficiency Syndrome / Q000209:etiology* / Q000517:prevention & control; D017322:Clinical Trials, Phase II as Topic; D017277:Drug Approval; D005822:Genetic Vectors / Q000009:adverse effects; D006801:Humans; D014481:United States; D014765:Viral Vaccines / Q000009:adverse effects* / Q000235:genetics / Q000276:immunology* / Q000627:therapeutic use
chemical_list: D016915:AIDS Vaccines; D014765:Viral Vaccines