This working manual has been developed to ensure that all health professionals involved in immunization will be both knowledgable about procedures and confident about their benefits. It shows the practitioner how to give vaccines safely and how to inform parents. The book is line with the new and revised Immunization Against Infectious Disease produced by the Department of Health, but is written in a practical and easily accessible form. As well as being aimed at general practitioners, health visitors, school health nurses, practice nurses, clinical medical officers and district nurses, the book has been written in such a fashion as to be understandable by parents. It has sections giving answers to the questions most frequently asked by parents, and to the most common problems. In addition, the book is adaptable for local use, with space for key contacts and `phone numbers.