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Mónica Delgado Castillo
Virus is a small infectious agent that can replicate only inside the living cells of an organism.
Viruses have different mechanisms by which they produce disease in an organism.
Herpes simplex virus, which causes cold sores, to remain in a dormant state within the human body.
Epstein-Barr virus, which causes glandular fever, and varicella zoster virus, which causes chickenpox and shingles
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