+A viral infection is the proliferation of a [Virus](/wiki/virus) within a host organism. These microscopic agents hijack cellular processes to reproduce, often leading to [Disease](/wiki/disease). The body's response can result in [Immunity](/wiki/immunity) or, if uncontrolled, further spread.
+## See also
+- [Pathogen](/wiki/pathogen)
+- [Infection](/wiki/infection)
+- [Vaccine](/wiki/vaccine)
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