varicella-zoster virus
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var·i·cel·la-zos·ter virus
(văr′ĭ-sĕl′ə-zŏs′tər)n.
A herpesvirus that causes chickenpox and shingles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.