This book is the only academic text designed specifically to meet the challenges faced by medical students and early career physicians struggling with nuances of recognizing, diagnosis and treating common infections, infections that masquerade as other diseases, and rare infections that present in a classic manner. Details on basic and advanced microbial diagnostics are explained masterfully. The textbook incorporates problem-based approaches to dozens of clinical infectious disease scenarios in newborns, children, and adults. It includes easy-to-access "tips and tricks" for when to look further or consider possibilities that are unusual making it an incredibly useful resource for providers and trainees with all levels of experience in the field of infectious diseases. Every chapter features a variety of learning tools to help the reader to consider common and uncommon infectious etiologies associated with each problem, to appreciated important underlying host risk factors, to identify important microbiologic clues to a diagnosis, and to remember important aspects of clinical history taking related to the identified problem. At the end of each chapter, review questions are presented as a tool to reinforce the key concepts conveyed. Introduction to Clinical Infectious Diseases, is written by experienced health care providers across 20 specialties in adult and pediatric medicine working in both hospital and outpatient settings. This cutting-edge academic resource will appeal to anyone with 'infectious disease curiosity' including medical students, residents, fellows, and practicing physicians across multiple primary care and specialty areas.