| Immunize Canada: A public resource discussing the benefits of vaccines and vaccinations. Information on diseases, vaccines, immunization schedules, travel and health. |
| Massachusetts Department of Public Health: Division of Epidemiology and Immunization, Bureau of Communicable Disease Control's extensive list of recommendations and information for immunizations. |
| MCW HealthLink: Travel Medicine: Details of major infectious diseases and information about in which countries they are found, plus recommended vaccines and precautionary advice. |
| National Immunisation Service of Malta: A site aimed at providing information about services offered in Malta by the National Immunisation Service department within the Government Health Division. |
| TravelVacs.ca: Designed to assist Canadian travelers in determining what precautions and vaccinations if any, may be considered when traveling overseas. It will also provide the location of your nearest travel clinic. In French and English. From Aventis Pasteur Limited. |
| Tropical Medical Bureau: Vaccination information for the international traveller, from an Ireland tropical medicine clinic. |
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