title: When to vaccinate travellers against meningococci.
abstract: (1) Among travellers to regions with ongoing epidemics of meningococcal meningitis, those most at risk are children and young adults who have prolonged, close contact with local inhabitants; this includes migrants visiting their country of origin. (2) The need for vaccination depends on the epidemic situation and the type of visit.
mesh_terms: D003906:Developing Countries; D005602:France; D006801:Humans; D007114:Immunization; D007223:Infant; D008589:Meningococcal Infections / Q000517:prevention & control*; D014195:Travel; D014612:Vaccines / Q000008:administration & dosage
chemical_list: D014612:Vaccines