A bacteriologist studies viruses, parasites and bacteria, and can expect to make between $85,000 a year and $140,000 a year. Get a four-year degree in microbiology to become a bacteriologist with insight from a family doctor in this free video on medical careers.
Expert: Dr. David Cathcart
Bio: Dr. David Cathcart specializes in occupational medicine and has an in-depth knowledge of cancer, as well as experience dealing with cancer patients and treatment for multiple years.
Filmmaker: Johnny Cathcart
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