Centers for Disease Control and Prevention
The best place to learn about virology and diseases.
http://www.cdc.gov

Organisation mondiale de la santé (OMS)
Présentation de la structure et des thèmes de santé abordés, maladies, médicaments, nutrition, technologie, environnement, bibliothèque et actualité.
http://www.who.int/

Travel Health Online
Health and other information for travellers to Cuba
http://www.tripprep.com

Lonely Planet
Offers travel advice, detailed maps, travel news, popular message boards and health information. Also lists information and updates regarding their guidebooks.
http://www.lonelyplanet.com/