Health A-Z

Zoster Virus

Clinical Definition Zoster virus, or Varicella-zoster virus, is a virus that causes varicella and herpes zoster, which are better known as chicken pox and shingles. In Our Own Words Zoster virus, also known Varicella-zoster virus, is a highly infectious virus and the cause of chicken pox and shingles. Once you’ve had chicken pox, the zoster virus

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