Description

The introduction explains that microbiology is the study of microorganisms and their interactions with humans, other organisms, and the environment. It introduces microbiology as a field that combines basic scientific principles with clinical applications, helping students understand how microorganisms influence health, disease, immunity, and medical treatment.

The authors emphasize that microorganisms—including bacteria, viruses, fungi, protozoa, and other microscopic life forms—are not only associated with disease but also play essential roles in ecosystems, human biology, biotechnology, and industry. The introduction highlights the importance of distinguishing between harmful microbes and beneficial microorganisms