Antibiotic: a group of medicines used to kill or slow the growth of bacteria that cause disease.
Antibody: a chemical substance made by the body to help destroy an invading pathogen. Antimicrobial: a substance that is designed to kill microbes before they enter the body. Bacteria: microscopic living organisms, usually one-celled, that can be dangerous (cause infection) or beneficial (such as in fermentation and in decomposition). Carrier: a person or organism with a disease that they can pass on to other organisms. Disease: any change that disrupts the normal function of one or more body systems. Epidemic: a disease that spreads across a large population of people, normally in a regional area. Fungi: any member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. Infectious disease: any disease that is caused by a pathogen. Microbe: any organism or near life form that cannot be seen with the naked eye. Noninfectious disease: a disease that cannot be spread from one organism to another. Pandemic: an epidemic that spreads more globally affecting a large geographical area. Parasite: an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense. Pathogen: a microbe that causes disease in an organism. Vaccine: a preventive shot to yield immunity against a specific disease, usually employing a form of the disease agent in a weakened bacteria or viruses, to stimulate antibody production. Vector: an animal that carries and transmits a disease. Virus: A microbe that consists of nucleic acid enclosed within a protein shell that requires a living cell in order to reproduce, but is not alive itself.
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May 2017
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