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Herein we report a rare case of disseminated herpes zoster(HZ) infection involving two widely separated bilateral dermatomes in an immunocompetent host. HZ involving two widely separated areas simultaneously is referred to as HZ duplex bilateralis. It is very rare, with an incidence of less than 0.1 percent of all HZ cases, and usually develops in immunocompromised patients.
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Takaoka et al. (2013) studied this question.
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