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pathogen |
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pathogenAny micro-organism that causes disease. Most pathogens are parasites, and the diseases they cause are incidental to their search for food or shelter inside the host. Nonparasitic organisms, such as soil bacteria or those living in the human gut and feeding on waste foodstuffs, can also become pathogenic to a person whose immune system or liver is damaged. The larger parasites that can cause disease, such as nematode worms, are not usually described as pathogens. |
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Observations on an infectious agent from Amblyomma maculatum. However, because cancer generally isn't transmissible, scientists puzzled over the identity of the infectious agent. The company believes that removing the infectious agent's protective lipid envelope exposes otherwise hidden viral proteins, thereby stimulating the body's immune system to elicit an enhanced response to the infectious agent. |
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