This film explains where we stand with vaccines now. It gives the history of vaccines, the latest science, rising costs and finance and the rows and controversies. It touches on the history of vaccine development. What is a vaccine, how and why have they been successful, what are the future challenges for both scientists and health systems in making vaccines even better? How important will be the part played by new technology? All these questions and more are asked and answered in this programme. The sequences include our babies, new filming in laboratories and research centres. Archive includes rotavirus and why vaccines need to be tested on children in developing countries and how the first generation of vaccines weren’t effective and how vaccines are an important tool for social justice.