Vaccines, key tools for prevention

What are vaccines and what are they used for? What benefits do they offer, individually and collectively? What’s the balance between the benefits and the risks? How are they tested before being approved? How should vaccinations be regulated? Find the answers to these questions in the multimedia resources available in this module.


Learn how vaccines work and what’s inside them, find out the benefits and risks they may entail and see some examples of how they have helped to reduce, and even eliminate, the rates of certain infectious diseases.


Do you approve using a new vaccine for the Y virus? Go through the different phases for developing a new vaccine in this virtual experiment and find out if it passes the effectiveness, safety and quality tests needed to be approved for use. The decision is in your hands!