Examlex
Which of the following organisms found in the human microbiome is NOT known to be a pathogen?
Natural Killer T-Cells
A type of lymphocyte critical to the immune system's ability to recognize and kill virus-infected cells and cancer cells.
Viruses
Microscopic infectious agents that replicate only inside the living cells of an organism, causing various diseases.
Destroy
To cause something to cease to exist or to bring something to an end through damaging or dismantling it.
Already Infected
Refers to the state or condition of having been invaded by and hosting a pathogen, such as a virus or bacteria, prior to a certain point in time.
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