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What Is a Microbiologist?

microbiologist
\ ˌmī-​krō-​bī-​ˈä-​lə-​jist \ noun
a scientist who studies living organisms and infectious particles, such as bacteria and viruses, that can only be seen with a microscope 
 

What Do Microbiologists Do?
     Research
     Teaching
     Diagnostics
     Biosafety
     Hybrid Career Paths
​How Do I Prepare for a Career in Microbiology?
What Level of Education Do I Need?
     Associate Degree
     Bachelor's Degree
     Master's Degree
     Doctoral or Medical Degree

Microbiology researchers try to answer scientific questions that no one else has answered before by doing experiments – they are explorers, making discoveries, developing new knowledge and applying it to real-world problems. Here are examples of questions a microbiology researcher might ask: In microbiology, "research" includes the following tasks:

• writing proposals to get grant funding or approval for experiments
• designing and conducting experiments
• analyzing data
• publishing results in and presenting at scientific conferences

Microbiologists whose jobs involve research work in many different places, from colleges and universities, to government agencies like the Centers for Disease Control and Prevention (CDC), to private companies and non-profit organizations. At higher levels, microbiology researchers have the added responsibilities of managing a lab or research group and mentoring graduate students, postdoctoral fellows and others working in their labs.

Microbiology research job titles include , research associate, laboratory manager, , (colleges and universities), lead scientist (private company) and principal investigator (government lab, non-profit organizations).

Teaching

Teaching at a college or university involves several tasks:

• designing classes
• teaching classes and leading laboratory activities
• writing and grading exams
• advising students 

Educators at colleges and universities are typically professors, or laboratory instructors. Professors do a mix of research (see previous section) and teaching, while lecturers and laboratory instructors only teach. Professors and lecturers teach the classroom portions of large undergraduate courses, such as Biology 101, and small, graduate-level electives, such as Environmental Microbiology. Laboratory instructors teach the laboratory sections of a variety of courses, guiding students through experiments and keeping the teaching laboratory in good working order.

At schools that offer professional degrees in nursing, dentistry, pharmacy or medicine, microbiology educators may also guest teach certain parts of courses for professional students.

Diagnostics

Microbiologists focused on diagnostics are in hospitals, public health laboratories, private medical or veterinary diagnostic laboratories and private companies. In hospitals and laboratories, they run tests on patient or animal samples sent in by doctors or vets. These tests help identify the microbe making a patient/animal sick and can help the doctor/vet with treatment decisions by determining if the microbe is sensitive or resistant to antimicrobial medicines like antibiotics.

In public health laboratories, clinical microbiologists also track and determine the source of disease outbreaks. At private companies, clinical microbiologists perform research (see first career section) to develop new diagnostic tests and procedures. At higher career levels, these professionals may manage an entire clinical laboratory and its staff.

Biosafety

Biosafety professionals make sure that the work in clinical and research laboratories is done safely using the appropriate equipment and procedures and that all Federal, State and Local regulations and guidelines are being followed. Their job is to prevent employees from being injured or infected and to prevent microbes and other biological agents from getting outside of the lab. They do this by training researchers and clinical laboratory professionals, putting safety policies and procedures in place and consulting on laboratory design. Biosafety professionals work in many different job sectors, including colleges and universities, private companies, hospitals and government agencies.

Hybrid Career Paths

Some microbiologists combine their scientific expertise with skills and interests in other fields. These careers typically require a bachelor’s degree in microbiology, plus a degree or additional training in a second field.

Business analysts help companies and investment firms evaluate a particular scientific or medical market to guide their strategies and decisions. For example, a business analyst with a background in microbiology may help an investment firm decide whether or not to financially support a biotechnology startup. Some business analysts work directly for a particular company, while others work at consulting firms or as freelance consultants. They frequently have Masters of Business Administration (M.B.A.) degrees.

Infectious disease physicians or veterinarians train first as doctors (M.D. or D.O.) or vets (D.V.M.) and then specialize in patient care for people/animals suffering from infectious diseases like HIV/AIDS, tuberculosis or Q-fever. Some infectious disease specialists not only see patients, but also do microbiology research.

Patent lawyers work at law firms or private companies. They protect intellectual property by writing and filing patents on new scientific devices, processes or products. They also pursue or defend lawsuits related to patent infringement. Patent lawyers have a law degree (J.D.) as well as scientific expertise.

Public policy and regulatory affairs professionals work at government agencies, non-profit organizations and private companies. In government, these professionals develop policies, legislation, and regulations related to biomedical products, healthcare and laboratory research. At non-profits and private companies, these professionals help their organizations understand and advocate for specific policies and regulations.

Science education or outreach professionals work at colleges and universities, non-profit organizations, museums and government agencies. Some also work for the corporate responsibility arms of private companies. These professionals design and organize programs and events that engage public or K-12 audiences with science.

Science writers work for newspapers, magazines and other media companies, as well as for government institutions. They also frequently work as freelancers. They research stories and write articles on technical subjects and must keep up on current events and new research being published.

In high school, take these classes:	In college, take these classes:
4 years of math	Biology or Life Science
Biology	Calculus
Chemistry	Chemistry
Physics	General Microbiology
Other science or math electives, such as AP Biology or Microbiology	Organic Chemistry
	Biochemistry
	Physics
	Statistics
	Other science or math electives, such as Computer Science or Immunology

Additional activities that can help you prepare for a career in microbiology include participating in school science fairs and extracurricular science clubs, joining local and national scientific societies (like 91�鶹����), pursuing internships and student research experiences and participating in activities that develop technical, communications and leadership skills.

After high school, one option is to earn an Associate of Arts (A.A.) or an Associate of Applied Science (A.A.S.) degree from a community or 2-year technical college. With this level of education, you can work in a variety of clinical and research laboratories as a laboratory technician. Graduates of accredited associate degree programs may be eligible for certifications, such as the American Society for Clinical Pathology's Medical Laboratory Technician (ASCP MLT) certification. According to the , the 2015 median salary for laboratory technician positions was around $40,000/year. In addition, found that certified laboratory professionals earn more than their non-certified counterparts.

You can enter a Bachelor's of Science (B.S.) or Bachelor's of the Arts (B.A.) degree program straight out of high school or after completing an Associate Degree (many Bachelor's programs will accept transfer students and course credits from an Associate degree program at an affiliated 2-year college). Bachelor's degree programs typically take 4 years of full-time study. With a Bachelor's Degree, you can work as a microbiologist in many different contexts.

Food, agricultural or environmental laboratory scientist/technologist	Perform established, well-validated tests on water, food, agricultural and environmental samples to detect different types of microbes. Must be precise and pay attention to detail so that test results are accurate. May also participate in reporting test results to others outside of the lab.
Public health, clinical or veterinary laboratory scientist/technologist	Perform established, well-validated tests on human and animal samples to detect disease-causing microbes. Certification, such as the , may be required or preferred.
Research associate	Key player on research teams, who provides technical support to ongoing research projects and carries out experiments designed by more senior researchers. May be assigned to a single research project or to a set of related techniques across projects, such as maintaining all of the lab's cell cultures.
Quality assurance/control scientist	Perform tests on products, such as measuring microbe contaminants, to ensure the products meet safety and quality standards.
Biosafety specialist	Inspect laboratories and related facilities to ensure the space and the practices of those using the space adhere to state and federal regulations for safety, occupational and environmental health. Act as a resource for colleagues seeking guidance on occupational or environmental health concerns. Provide safety training to laboratory personnel.

These positions can be found across many different sectors, including at colleges and universities, hospitals, government agencies and commercial companies. According to the , the 2015 median salary for these positions was around $65,000/year.

A Master's of the Arts (M.A.) or a Master's of Science (M.S.) degree can be earned after successfully earning a Bachelor's Degree. Master's degree programs typically take 1-2 years to complete, and some are designed to allow students to work full-time while enrolled in the program.

Clinical or research laboratory manager	Manage day-to-day activities in a clinical or research laboratory. Train laboratory personnel in experimental techniques, maintain lab inventories and equipment, supervise junior staff (technicians, technologists and assistants/associates). Clinical laboratory manager positions typically require certification.
Biosafety officer	Plan, develop and manage biosafety programs, including training for laboratory personnel, assessing biosafety risks of particular projects, inspecting laboratories for compliance with biosafety standards, responding to biosafety emergencies and making recommendations to improve safety and environmental and occupational health.
Instructor/laboratory coordinator	Teach classroom and/or laboratory courses at community colleges or 4-year colleges and universities. Participate in course development, faculty meetings, accreditation processes and advise students.

Doctoral or Medical Degree

Note that at U.S. institutions, you do NOT need to complete a Master's Degree before pursuing a Doctoral Degree or a Medical Degree. However, you do need to complete a Bachelor's Degree.

Microbiologists typically pursue Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.) or combined M.D.-Ph.D. degrees. An M.D. requires completion of 4 years of medical school (full time), as well as passing licensing exams. Practicing doctors must complete at least 1 additional year of internship training (also known as the 1st year of residency) and pass a final licensing exam. At this point in training, a medical doctor is considered a general practitioner (GP). Many medical doctors go on to complete additional years of residency in a specialty (for example, pediatrics) and sit for board exams to become licensed in that specialty.

A Ph.D. typically requires 1-2 years of coursework, followed by the completion of a thesis project based on original scientific research. Total time to completion can range from 3-8 years (full time). Unlike medical students, Ph.D. students typically do not pay tuition and in fact, most earn a stipend based on research or teaching responsibilities. After completing a Ph.D., some people, especially those who want to pursue a research career, work as a Postdoctoral Fellow (aka Postdoctoral Research Associate) for 2-5 years for additional training. Postdocs develop original scientific research under the mentorship of a Principal Investigator or Professor.

A Doctoral or Medical Degree is almost always required for higher-level positions in microbiology. With these degrees, you will be able to perform independent research, teach undergraduate and graduate students and assume executive-level responsibilities.

Research scientist	Senior member of a research laboratory. Write grant/project proposals, design and carry out experiments, analyze data and publish the results. Train students and laboratory personnel.
University/college professor	Head of a research laboratory, responsible for guiding and securing funding for lab projects and personnel (including themselves). Teach undergraduate and/or graduate classes, train and mentor students and postdocs who are doing research, serve on faculty committees.
Principal investigator	Equivalent of a professor, but at a government agency, non-profit research institution or for-profit company. Typically does not teach classes, but may mentor graduate students and postdocs.
Consultant	Works either freelance or as part of a consulting firm. Prepare reports on the state of scientific fields, companies in a particular market or emerging issues in science and advise client organizations, such as businesses or foundations.
Clinical laboratory director	Head of a clinical laboratory. Consult with healthcare providers, evaluate and implement new diagnostic tests or testing procedures, maintain laboratory accreditation, oversee overall laboratory operation.
Research director	Lead a research program either at a company or at a government agency. Determine direction and priorities of the program and direct efforts of research personnel and laboratories.
University/college administrator	Responsibility for a particular set of academic departments (dean) or an aspect of the administration, such as admissions (vice president). Reduced or no teaching and research responsibilities.
Corporate executive	Oversee part or all of a company. Guide overall company strategy and determine what products are brought to market. No direct research responsibilities.
Government science advisor/administrator	Lead regulatory and disease surveillance programs concerned with product safety and public health. Make recommendations that influence laws, regulations and public policy.

Learn More About Careers in Microbiology