Mathematical models are increasingly being used to examine questions in infectious disease control. Applications include predicting the impact of vaccination strategies against common infections and determining optimal controlbrstrategies against HIV and pandemic influenza. pThis book introduces individuals interested in infectiousbrdiseases to this exciting and expanding area. Thebrmathematical level of the book is kept as simple asbrpossible, which makes the book accessible to those who havebrnot studied mathematics to university level. Understandingbris further enhanced by models that can be accessed online, brwhich will allow readers to explore the impact of differentbrfactors and control strategies, and further adapt andbrdevelop the models themselves. br p brThe book is based on successful courses developed by thebrauthors at the London School of Hygiene and TropicalbrMedicine. It will be of interest to epidemiologists, publicbrhealth researchers, policy makers, veterinary scient