US Centers for Disease Control presents disease outbreak alerts, reference material, destination updates, cruise ship inspection scores, recommended vaccinations, and information for family and special needs travel. http://www.cdc.gov/travel/
Health risks and services in many countries, infectious diseases and suggested immunizations, illness prevention, and special needs travelers. http://www.mdtravelhealth.com/
Explains how to avoid diseases using mosquito nets and discusses travel health issues like malaria and the West Nile virus. http://www.travelhealthhelp.com/