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Fetal varicella syndrome (CVS) is an acquired developmental anomaly syndrome characterized by skin, neurological, ocular, limbs and growth defects secondary to maternal Varicella-Zoster Virus (VZV) infection.
Features include very common findings: Atypical scarring of skin and Intrauterine growth retardation; and common findings: Microcephaly, Cataract, Microphthalmia, and Intellectual disability and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 3 | Intellectual disability, Global developmental delay, Cerebral cortical atrophy |
Phenotype severity distribution: 2 very common features, 7 common features.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for congenital varicella syndrome.
13 publications have been identified in PubMed for congenital varicella syndrome. Research spans Review / Meta-Analysis (46%), Epidemiology / Natural History (31%), and Case Report / Case Series (23%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 6 | 46% |
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 5:27 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Head and neck |
1 |
Microcephaly |
Eyes | 1 | Cataract |
Skin | 1 | Atypical scarring of skin |
Growth and development | 1 | Intrauterine growth retardation |
Muscles | 1 | Cerebral cortical atrophy |
4 |
31% |
Patient case studies | 3 | 23% |
Bhavsar SM (2026). [PMID: 33760553](https://pubmed.ncbi.nlm.nih.gov/33760553/). *Unknown Journal*. [Review / Meta-Analysis]
Arikila M (2026). [PMID: 41916690](https://pubmed.ncbi.nlm.nih.gov/41916690/). *BMJ Case Rep*. [Case Report / Case Series]
Pawlak-Zalewska WE (2026). [PMID: 41979577](https://pubmed.ncbi.nlm.nih.gov/41979577/). *Przegl Epidemiol*. [Review / Meta-Analysis]
McCluskey JM (2026). [PMID: 38861626](https://pubmed.ncbi.nlm.nih.gov/38861626/). *Unknown Journal*. [Epidemiology / Natural History]
Teutsch S (2026). [PMID: 41592249](https://pubmed.ncbi.nlm.nih.gov/41592249/). *Commun Dis Intell (2018)*. [Epidemiology / Natural History]
Kaur R (2026). [PMID: 41841757](https://pubmed.ncbi.nlm.nih.gov/41841757/). *Hosp Top*. [Epidemiology / Natural History]
Teutsch SM (2025). [PMID: 40127698](https://pubmed.ncbi.nlm.nih.gov/40127698/). *Commun Dis Intell (2018)*. [Epidemiology / Natural History]
Onyeaghala CA (2025). [PMID: 40783724](https://pubmed.ncbi.nlm.nih.gov/40783724/). *BMC Infect Dis*. [Case Report / Case Series]
Ion A (2025). [PMID: 40005527](https://pubmed.ncbi.nlm.nih.gov/40005527/). *Pathogens*. [Review / Meta-Analysis]
Jain N (2025). [PMID: 41235012](https://pubmed.ncbi.nlm.nih.gov/41235012/). *Cureus*. [Case Report / Case Series]
AI-curated news mentioning congenital varicella syndrome
Updated Aug 27, 2026
A recent study published in PubMed explores the occurrence of simultaneous bilateral facial nerve palsy following childhood varicella infection. This research highlights a rare complication associated with varicella, contributing to the understanding of its neurological impacts.
A recent study highlights post varicella lung fibrosis as a significant complication following viral pneumonia. This research underscores the long-term pulmonary impacts of varicella infection, warranting further investigation into treatment options.
The CDC's Advisory Committee recommends changes to varicella vaccination guidelines, advocating for a second dose to enhance protection for children, adolescents, and adults. This update aims to improve immunity against chickenpox and its complications.