Concise, portable, and user-friendly, The Washington Manual® Infectious Diseases Subspecialty Consult , Fourth Edition , edited by Drs. Nigar Kirmani, Abby Sung, and Stephen Y. Liang, provides easy-to-follow guidance for the diagnosis, investigation, and treatment of a wide variety of infectious diseases. Ideal for residents, fellows, and practicing physicians who need quick access to current scientific and clinical information, the manual is also useful as a first-line resource for internists and other primary care providers. Incorporates new diagnostic and treatment guidelines in each chapter as appropriate, as well as up-to-date coverage of recent emerging infectious diseases such as COVID-19 and mpox Brings you up to date with new antibiotics that have become available since the last edition, along with new discussions favoring shorter duration therapy, early PO antibiotic transition, and formal outpatient parenteral antibiotic therapy (OPAT) programs Includes new chapters on infectious diseases in vulnerable populations, including the unhoused, injection drug users, and migrants/displaced individuals; and global health and the impact of climate change on infectious diseases Uses a consistent, bulleted format for quick reference, and is organized by organ system to facilitate generating a useful differential diagnosis based on a patient's presentation Written by residents, fellows, and clinical faculty of the distinguished Washington University School of Medicine in St. Louis The Washington Manual® is a registered mark belonging to Washington University in St. Louis to which international legal protection applies. The mark is used in this publication by Wolters Kluwer Health under license from Washington University.