Centers for Disease Control and Prevention (CDC), Traveler's Health
International Association for Medical Assistance to Travellers (IAMAT)
McGill Centre for Tropical Disease, CANTROPMED Listserv and Diagnostic Photos
National Travel Health Network and Centre - NATHNAC
[British Resource]
SAFETRAVEL® [French and German languages]
World Health Organization
(WHO) International Travel and Health
* not necessarily endorsed by Health Canada
** The Centers for Disease Control and Prevention is an ex-officio member of CATMAT; site link is listed under "Other Sources...". The Canadian Society for International Health is a liaison member of CATMAT; site link is listed under "Other Sources...".