HerpesZoster.docx - Herpes Zoster LO Lindsay McClurg Zoster...

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Herpes Zoster LO Lindsay McClurg Definition Zoster is a common, predominantly dermal, and neurologic disorder caused by the varicella-zoster virus (VZV), a virus morphologically and antigenically identical to the virus causing varicella (chickenpox). Difference in clinical manifestations between varicella and zoster apparently depends on the immune status of individual patients; those with no prior immunologic exposure to varicella virus, most commonly children, develop the clinical syndrome of varicella, while those with circulating varicella antibodies develop a localized recrudescence, zoster. Etiology (why/cause) Reactivation of varicella virus that has remained dormant within dorsal root ganglia, often for decades after the patient's initial exposure to the virus in the form of varicella (chickenpox), causes zoster. Exactly what triggers this reactivation has not yet been determined precisely, but likely candidates include external reexposure to the virus, acute or chronic disease processes
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This note was uploaded on 02/18/2012 for the course PAS 600 - 601 taught by Professor Garrubba during the Fall '10 term at Chatham University.

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HerpesZoster.docx - Herpes Zoster LO Lindsay McClurg Zoster...

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