Microbiology is a course that studies microorganisms such as bacteria, viruses, fungi, and protozoa. It covers areas like microbial genetics, immunology, pathogenic microbiology, virology, and industrial microbiology. Students learn how microbes function, interact with humans and the environment, and their roles in health, disease, and biotechnology. Graduates can work in healthcare, pharmaceuticals, food industries, environmental science, research labs, or public health organizations.