This book gives an introduction to medical microbiology for medical students. Its contents reflect the current medical curriculum with the whole emphasis on the clinical effect of infection. The book is the successor to the highly successful Notes on Medical Bacteriology and Notes on Medical Virology. The text is illustrated throughout with colour clinical photographs.Combined treatment of bacteriology and virology More emphasis on evidential medicine and accepted protocols. Increased number of colour illustrations. Changes to reflect diseases of topical interest (eg CJD). Changes to reflect molecular diagnostic techniques (eg PCR). Updated and expanded section on HIV/AIDS.