4 Immunisation of special groups

4.5 Travel

All travellers should be encouraged to consider vaccination requirements well in advance of overseas travel. For example, information on diphtheria, MMR, influenza and hepatitis A vaccination for adults is included in the appropriate sections of this Handbook. Up to-date information on overseas travel requirements (eg, for typhoid, yellow fever, rabies) can be obtained from the Centers for Disease Control and Prevention ( or the WHO (