TY - BOOK ED - World Health Organisation. TI - International travel and health : situation as on 1 January 2008 SN - 9789241580403 SN - 0254296X PY - 2008/// CY - Geneva PB - World Health Organisation KW - Communicable Disease Control KW - Travel KW - Vaccination KW - standards KW - Risk factor N1 - Includes bibliographical references and index ER -