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TermDefinition
VIRUS A non-living particle dependent on host cells for replication of genetic material.
Human Immunodeficiency Virus (HIV) A retrovirus that invades T-cells attacking the immune system and resulting in Acquired Immune Deficiency Syndrome (AIDS).
Microorganism An organism that is too small to be seen with the naked eye.
Bacteria Microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter
Fungus Heterotrophic eukaryotes that reproduce through asexual spores; break down dead materials and can spread disease.
Parasite Lives in or on another organism (host) and derives nourishment from them, resulting in harm to the host organism.
Host An organism in which a parasite resides and/or derives nutrients from.
Disease A disorder in an organism that produces adverse effects and is not a result of physical injury; can beidentified by specific signs or symptoms and can affect one or more parts of the organism
Pathogen Anything capable of causing infectious diseases.
Epidemic A widespread infectious disease that affects a single community at a specific time; can become a pandemic, if not contained and stopped
Pandemic A widespread infectious disease that affects a whole country, multiple countries or the whole world; starts as an epidemic that was not contained and stopped
Antibiotic A medicine that destroys or stops the growth or spread of microorganisms.
Vaccine An injection of a killed or weakened pathogen that helps build an organism's immune system against specific diseases.
Created by: Tyrelle Sommirs
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