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Isolation of HHV-6-related virus from children affected by infectious syndrome
M Portolani1, C Cermelli, P Pietrosemoli
1Institute of Hygiene, University of Modena, Italy.
Insights
Human herpesvirus-6 (HHV-6) was detected in children with infectious diseases. Exanthema subitum cases were consistently linked to fresh HHV-6 infections, indicating its role in the syndrome.
Area of Science:
- Virology
- Pediatrics
- Infectious Diseases
Background:
- Human herpesvirus-6 (HHV-6) is a common virus in children.
- Infectious diseases in children present with varied symptoms.
- The specific role of HHV-6 in certain pediatric syndromes requires further investigation.
Purpose of the Study:
- To investigate the presence of HHV-6 in children with symptoms of generic infectious disease.
- To determine the association between HHV-6 and exanthema subitum.
- To identify HHV-6 isolates from pediatric blood cultures.
Main Methods:
- Peripheral blood cultures were collected from children presenting with infectious disease symptoms.
- Samples were analyzed for the presence of human herpesvirus-6 (HHV-6).
- Clinical diagnoses were correlated with virological findings.
Main Results:
- Two HHV-6-related viral isolates were successfully obtained from pediatric blood samples.
- One isolate was from a child diagnosed with exanthema subitum (roseola infantum).
- All diagnosed cases of exanthema subitum were associated with recent HHV-6 infection.
Conclusions:
- Fresh HHV-6 infection is strongly associated with the clinical diagnosis of exanthema subitum in children.
- HHV-6 may play a significant role in the pathogenesis of exanthema subitum.
- Further research is warranted to understand the full spectrum of HHV-6 related syndromes in pediatric populations.
Abstract:
Peripheral blood cultures from children showing symptoms of generic infectious disease have been examined for human herpesvirus-6 (HHV-6). Two HHV-6-related isolates have been obtained: one from a child for whom a clinical diagnosis of exanthema subitum has been made when a typical rash appeared, and one from a child in whom the infectious symptomatology has maintained the characters of nonspecific syndrome. All the syndrome diagnosed as exanthema subitum resulted as being associated with fresh infection by HHV-6-related virus.