Laboratory exercises in microbiology is a workbook for students of medicine. It is designed in accordance with the approved programme in Medicine Microbiology at the Faculty of Medicine, Sofia University "St. Kliment Ohridski". Each exercise is a unit divided into three sections which include topics for home preparation and an outline of the forthcoming practical tasks and demonstrations, a LAB REPORT preceded by a brief overview of the topics covered in the unit and instructions on the practical tasks with opportunities to visualize the observations. At the end of each unit is a self-test with multiple-choice questions with answers.