ImmunoFacts http://www.immunofacts.com/
Deals with US & Canadian vaccine recommendations, state and international vaccine information, practice & safety issues, laws & regulations, and government databases.
International Vaccine Institute (IVI) http://www.ivi.org/
Founded on the belief that health in developing countries can be dramatically improved by the development, introduction and use of new and improved vaccines and that these vaccines should be developed through a dynamic interaction among science, public health, and business.
Protecting Health Through Immunization http://www.vaccineprotection.com
Information about vaccine-preventable diseases, vaccine safety, recommended childhood, adolescent, and adult immunization schedules, answers to frequently asked questions, and other information about protecting your health and improving your safety by Aventis Pasteur, Inc.
Sabin Vaccine Institute http://www.sabin.org/
The Albert B.Sabin Vaccine Institute promotes rapid scientific advances in vaccine development, delivery and distribution worldwide.