Vaccines are a debate, whether we want them to be or not. With a clear-eyed approach to their science and history, HOW VACCINES WORK demystifies the strange and intricate world of vaccines: it explains what a vaccine is, how they are developed and what happens when they meet our bodies.

David Miles has worked in immunology - as a scientist, teacher and communicator - for two decades. Taking his expert understanding of the field and the questions he is asked by ordinary people, HOW VACCINES WORK combines a field guide to the vaccines we currently receive with the historical background to their development, along with thrilling storytelling and comprehensive, reassuring debunking of the most common vaccination myths.