title: [WHO conference: XV meeting of the European Advisory Group for the wide-range vaccination program (EPI) WHO, Warszawa, November 9-10, 1998].
mesh_terms: D001424:Bacterial Infections / Q000276:immunology* / Q000517:prevention & control*; D006801:Humans; D007391:International Cooperation; D011044:Poland; D014612:Vaccines / Q000627:therapeutic use*; D014777:Virus Diseases / Q000276:immunology* / Q000517:prevention & control*; D014944:World Health Organization