Microbiology is the study of microorganisms including unicellular organisms, fungi, protists, and viruses. There are many career opportunities in microbiology across different settings and industries. Microbiologists often specialize in certain types of organisms or fields like bacteriology, environmental microbiology, food microbiology, industrial microbiology, or medical microbiology. Microbiology careers are available in universities, pharmaceutical companies, biotechnology labs, and medical research hospitals studying areas like biochemistry, biotechnology, genetics, immunology, and virology.