The current trends in the outbreak, clinical manifestation, pathophysiology, and management of various infectious diseases will be covered in this book. This part-1 will concentrate primarily on recent outbreaks of lethal infectious diseases such as Ebola virus disease, Avian influenza, Coronavirus disease, and urinary tract infections. The various outbreaks of the Ebola virus claimed many lives in the African and Asian region and cost huge economic burdens to these affected countries. Whereas Avian influenza (H7N9) is more common in China and some parts of the Asian countries. On the other hand, Covid19 started devastating the health and economic status of almost all the countries in the world and has claimed millions of lives so far. Urinary tract infections cost huge economic burdens to all the people in the world. This book will provide healthcare professionals with a comprehensive guide to the types, epidemiology, etiology or causes, pathophysiology, clinical symptoms, diagnosis, and management of the infectious diseases listed above. This book will be more appropriate for the recent curriculum in medical, pharmacy, nursing, and other allied healthcare courses.