How Do Vaccines Work?
Expand your knowledge using our growing database of resources on vaccines and immunization.
Vaccine IQ: Vaccine Hesitancy Continuum
Learn more about the range of vaccination behavior, from hesitancy to acceptance.
Vaccine IQ: Vaccine Confidence Continuum
Learn about the range of vaccine perceptions, from skepticism to confidence.
Vaccine IQ: Herd Immunity
Learn about how herd immunity can help prevent the spread of disease.
Vaccine IQ: Genetic Vaccines
Learn about how the DNA- or RNA-based vaccine approaches work.
Vaccine IQ: How Herd Immunity Works
Sabin President of Global Immunization Dr. Bruce Gellin explains the concept of herd immunity, or community immunity.
Vaccine IQ: Intro to Vaccine R&D – How Vaccines Are Made
Sabin’s Vice President of Project Management, Aruna Sampath, Ph.D., gives a broad overview of the US vaccine research and development process.
Vaccine IQ: The Importance of Vaccination Schedules
Sabin's President of Global Immunization Dr. Bruce Gellin explains the importance of vaccination schedules and the dangers of delaying them.
Vaccine IQ: Vaccine Recommendations and Exemptions
Sabin President of Global Immunization Dr. Bruce Gellin shares how vaccine recommendations are created and why certain people are exempt from them.
Vaccine IQ: Why Do Some Vaccines Require Multiple Doses?
Sabin's President of Global Immunization Dr. Bruce Gellin discuss why some vaccines require multiple doses.