COVID-19 was on the global agenda as of December 2019and we started to observe the first cases in our country on March 11. Our purpose in this book was to reveale our approaches andexperiences on follow-up and treatment of COVID-19; the realities of our country by combining the data of  Turkey andworld literature. This book has been presented to the scientists of our countrywith the contributions of Çukurova Infectious Diseases Association (ÇEHDER) South Anatolian Neurology and Infectious Diseases Association (GÜNİDER) and Alfa Study Group (ASG). We hope this book will be a valuable resource in the field of COVID-19 which was created with the co-editing of Tuba Dal and Aslıhan Ulu admirable efforts of İrem Akdemir Kalkan and the editorial contributions of us. In this regard special thanks everyone who contributed to the creation of this book.