New and Evolving Infections of the 21st Century The past decade has been highlighted by numerous advances in research of medical scientific knowledge medical technology and the biological and diagnostic techniques but somewhat less dramatic changes or improvement in management of medical conditions. This volume in the Emerging Infectious Disease of the 21st century series addresses some of the emerging issues and controversies in Infectious Diseases.The author has chosen these topics for review based on questions and contentions raised by medical residents internists emergency physicians clinical infectious disease specialists and family physicians. This volume will provide guidance and answers to frequently asked questions in infectious diseases to the researcher clinician generalists specialists and trainees in these areas thus facilitating improved patient care prudent and cost effective management and investigation of these disorders.This volume reviews the research diagnosis and treatment of some common infections facing researchers clinicians and family physicians such as sinusitis otitis media and asymptomatic bacteriuria. Recent studies and surveys have shown that these conditions are often over diagnosed and treated unnecessarily with antibiotics. The approach and guidelines for diagnosis and management are reviewed in this volume. Other more complicated but less common conditions challenging internists clinical infectious disease consultants and other specialists are also reviewed (i.e. meningitis ventilator associated pneumonia sepsis hepatitis C B etc.) This volume provides guidance and answers to frequently asked questions in infectious diseases thus facilitating improved patient care prudent and cost effective management and investigation of these disorders. Other more complicated but less common conditions are also reviewed. Uniquely this volume directly discusses several controversies regarding infectious diseases from the 21st century. I. W. Fong MB BS FRCPCChief Infectious Disease30 Bond St. Suite 4179 CC wingSt. Michaels HospitalToronto Ont. M5B 1W8Tel: 416 864 5867Fax: 416 564 5310fongi@smh.toronto.on.ca