title: Merck presents protection data on rotavirus vaccine.
mesh_terms: D004311:Double-Blind Method; D004345:Drug Industry; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010919:Placebos; D012401:Rotavirus / Q000276:immunology*; D012400:Rotavirus Infections / Q000517:prevention & control*; D014481:United States; D014486:United States Food and Drug Administration; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D010919:Placebos; D014765:Viral Vaccines