A source-confirmed infection with varicella-zoster virus for which available information does not permit classification as either primary varicella or reactivated zoster [1][2]. VZV is the etiologic agent of varicella and zoster and establishes latency in ganglionic neurons after primary infection [1][2].
Disease overview
Evidence-backed information EN 1/5 applicable sections · ZH 1/5 applicable sections Updated Oct 23, 2026
Varicella-zoster virus infection unspecified denotes confirmed VZV infection lacking sufficient clinical detail to distinguish chickenpox from shingles [1][2]. The virus is the causative agent of both varicella and zoster and is strictly human-specific in its natural host range [1][2].
Read the full clinical and epidemiological profile 2
- 1 Gershon AA et al. Varicella zoster virus infection. Nat Rev Dis Primers. 2015 Jul 2. PMID: 27188665. doi: 10.1038/nrdp.2015.16. PubMed: https://pubmed.ncbi.nlm.nih.gov/27188665/
- 2 Zerboni L et al. Molecular mechanisms of varicella zoster virus pathogenesis. Nat Rev Microbiol. 2014 Mar. PMID: 24509782. doi: 10.1038/nrmicro3215. PubMed: https://pubmed.ncbi.nlm.nih.gov/24509782/
- B01-B02
- 1E90-1E91
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