Human Herpesvirus 6 (IMAGE)
Caption
Human herpesvirus 6, pictured above, is just one of numerous viruses found living in and on the bodies of healthy humans. The virus commonly causes illness in young children but is found in the mouths of some healthy young adults, where its presence indicates an active viral infection despite a lack of symptoms.
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<p><a target="_blank"href="http://en.wikipedia.org/wiki/Human_herpesvirus_6#mediaviewer/File:HHV-6_inclusion_bodies.jpg">Wikimedia Commons</a> (Public Domain)
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