Micro means 'tiny' which usually refers to
particles which cannot be seen in the naked eye, and 'bio' means
life while 'logy or logos' means study. A microbiologist is a
person who investigates things or studies in the field
microbiology. Microbiologists investigate the growth and
characteristics of microscopic organisms such as bacteria,
algae, or fungi. Most microbiologists specialize in the
environmental, food, agricultural or medical aspects in either
medical or industrial microbiology; virology (the study of
viruses); immunology (the study of mechanisms that fight
infections); or bioinformatics. Many microbiologists use
biotechnology to advance knowledge of cell reproduction and
Specialists in the broad field of microbiology include:
Bacteriologists, who work in the field of bacteriology and study
Environmental microbiologists - work in the field of
environmental microbiology and study microbial processes in the
Food microbiologists, who work in the food industry and study
pathogenic microorganisms that cause foodborne illness and
Industrial microbiologists who generally work in biotechnology
and study microorganisms that produce useful products.
Medical microbiologists, medical practitioners (physicians) who
have chosen to specialize in the diagnosis and treatment of
microbial diseases in patients.
Mycologists, work in the field of mycology and study fungi.
Protozoologists, who work in the field of protozoology and study
Virologists, who work in the field of virology and study
Microbial epidemiologists, who study the role of microorganisms
in health and illness.
Immunologists, who study how the body defends itself against