Presence of Lassa Virus RNA in Cerebrospinal Fluid Indicating Neuroinvasive Lassa Fever in Pediatric Patients From Edo State, Nigeria - Scorecard - MDSpire

Presence of Lassa Virus RNA in Cerebrospinal Fluid Indicating Neuroinvasive Lassa Fever in Pediatric Patients From Edo State, Nigeria

  • By

  • Hannah Caroline Sophie Müller

  • Cyril Oshomah Erameh

  • Joseph Okoeguale

  • Sheila Ojor Ileli

  • Imonifome Frank Onyeke

  • Adewale Elijah Adetunji

  • Lilian Omoyemen Akerele

  • Rita Esumeh

  • Ebo Benevolence Ohomoime

  • Mette Hinrichs

  • Jonas Müller

  • Ujiagbe Moses Aiterebhe

  • Christiana Ngozi Ekuma

  • Chukwuemeka Ogbuinya Ugadu

  • Ifeanyi Henry Onyerikam

  • Juliet Oemhenze Idialu-Eigbobo

  • Matthew Apeleokha

  • Ehisuan Ehiaghe

  • Osahogie Isaac Edeawe

  • Kelly Ohis Iraoyah

  • Chris Hoffmann

  • Donatus Adomeh

  • Thomas Olokor

  • Ikponmwosa Odia

  • Danny Asogun

  • Sylvanus Okogbenin

  • Ephraim Ogbaini-Emovon

  • Reuben Eifediyi

  • Stephan Günther

  • Meike Pahlmann

  • Michael Ramharter

  • Lisa Oestereich

  • Till Omansen

  • George Akpede

  • November 25, 2025

  • 0 min

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Clinical Scorecard: Detection of Lassa Virus RNA in Cerebrospinal Fluid Suggesting Neuroinvasive Lassa Fever in Pediatric Patients from Edo State, Nigeria

At a Glance

CategoryDetail
ConditionLassa fever with neurological complications
Key MechanismsNeuroinvasive Lassa virus infection with active replication in the central nervous system indicated by higher viral RNA loads in cerebrospinal fluid compared to plasma
Target PopulationPediatric patients with suspected or confirmed Lassa fever presenting with CNS symptoms
Care SettingHospital setting with access to lumbar puncture and molecular diagnostic testing (RT-PCR)

Key Highlights

  • Lassa virus RNA detected in cerebrospinal fluid (CSF) of 86% of pediatric Lassa fever patients with neurological symptoms.
  • Higher viral load in CSF compared to plasma suggests active neuroinvasive infection.
  • Neurological complications such as meningitis, seizures, and altered mental state are strongly associated with fatal outcomes in Lassa fever.

Guideline-Based Recommendations

Diagnosis

  • Perform lumbar puncture and test CSF by Lassa virus RT-PCR in pediatric patients with suspected Lassa fever and CNS symptoms.
  • Compare viral RNA loads in CSF and plasma to assess neuroinvasive infection.

Management

  • Consider neuroinvasive Lassa fever in patients with neurological symptoms and positive CSF RT-PCR.
  • Use supportive care and off-label ribavirin treatment, acknowledging limited evidence for efficacy.

Monitoring & Follow-up

  • Monitor neurological status closely in Lassa fever patients due to association with fatal outcomes.
  • Repeat CSF and plasma viral load testing may help assess CNS involvement.

Risks

  • Neurological complications including meningitis, seizures, hearing loss, and altered mental state increase risk of fatal outcome.
  • Potential for direct CNS infection by Lassa virus necessitates careful clinical management.

Patient & Prescribing Data

Pediatric patients with confirmed Lassa fever and neurological symptoms

Ribavirin is used off-label with variable evidence; understanding CNS involvement may guide future drug development and treatment strategies.

Clinical Best Practices

  • Include lumbar puncture and CSF RT-PCR testing in diagnostic workup for pediatric Lassa fever patients with CNS symptoms.
  • Interpret higher CSF viral loads as evidence of neuroinvasive infection requiring vigilant neurological monitoring.
  • Recognize neurological complications as markers of severe disease and poor prognosis.
  • Support further research into targeted therapies addressing CNS infection in Lassa fever.

References

Original Source(s)

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