Microbiology as a science has revolutionized the field of biology throughout the world. There is growing recognition of the potential of microorganisms in many areas including food, industry, medicine and environment. This book gives a well-balanced account of the fundamentals of microbiology, the application of microbiology, advances in medical microbiology and other applied areas of microbiology. The most recent advances in microbiology, molecular biology, immunology, virology, pathology, industrial microbiology, fermentation technology, antibacterial drugs and biosensors, have been comprehensively integrated which would help the students to appreciate the fascinating diversity of microbial life, the central importance of microorganisms in nature; and the role of microorganisms in our daily life.