This updated and expanded edition now offers 297 chapters that cover the basic principles of diagnosis and management, major clinical syndromes, all important pathogenic microbes and the diseases they cause, plus a number of specialised topics useful to the practitioner. It contains 24 totally-new chapters, offers a whole section on AIDS with seven chapters and a chapter Microsporidium Disease, which deals with a new disease just discovered because of AIDS. The text is designed for clinical pathologists, microbiologists, virologists, medical scientists, mycologists, allergists, general practitioners and lecturers of medicine.