title: Availability of meningococcal vaccine in single-dose vials for travelers and high-risk persons.
mesh_terms: D000328:Adult; D001428:Bacterial Vaccines / Q000008:administration & dosage*; D002648:Child; D006801:Humans; D008585:Meningitis, Meningococcal / Q000209:etiology / Q000517:prevention & control; D008589:Meningococcal Infections / Q000209:etiology / Q000517:prevention & control*; D022401:Meningococcal Vaccines; D009345:Neisseria meningitidis; D012307:Risk Factors; D014195:Travel
chemical_list: D001428:Bacterial Vaccines; D022401:Meningococcal Vaccines