This book is a timely reference text that highlights the role of vaccination in the fast-growing aquaculture industry. It discusses topics such as vaccine formulation, vaccine delivery, and enhancing the immune response of fish using nanoparticles. Information related to vaccine safety, ethical approval, and regulations is also discussed, together with dissemination of vaccines to fish farms across the globe. This cutting-edge book presents novel strategies to meet the growing demand for vaccines in finfish aquaculture. This book is useful to students, academics, clinicians, and professionals in the field of fisheries sciences, aquaculture, and veterinary sciences.