# The Natural History of Severe Viral Infections and Characterization of Immune Defects in Patients Without Known Immunocompromise

> **NCT01011712** · — · RECRUITING · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 600 (estimated)

## Conditions studied

- EBV
- HSV
- VZV
- HPV
- CMV

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01011712
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2009-10-01
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 600 (ESTIMATED)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01011712

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01011712, "The Natural History of Severe Viral Infections and Characterization of Immune Defects in Patients Without Known Immunocompromise". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT01011712. Licensed CC0.

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