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Updated: Jul 4, 2026

Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
Published on: July 24, 2016
Acute and recurrent viral meningitis
1Larry E. Davis, MD New Mexico VA Health Care System, Neurology Service, 1501 San Pedro Drive SE, Albuquerque, NM 87108, USA. LEDavis@unm.edu.
Abstract:
Acute viral meningitis is the most common infection of the central nervous system. Most cases occur in children and young adults and are due to enteroviruses. Although the common causes of acute viral meningitis still lack treatment with an effective antiviral agent, management of patients is changing because of better and more rapid diagnostic tests to determine the exact viral etiology. These tests reduce the cost of workups and shorten hospitalizations. Recurrent meningitis is less common, with most cases caused by herpes simplex virus 2 in young adults. Early administration of antiviral drugs such as acyclovir, valaciclovir, or famciclovir can shorten the duration of an episode of aseptic meningitis. Daily prophylactic administration of any of these medicines also reduces the frequency of future episodes.
Insights
Acute viral meningitis, often caused by enteroviruses, lacks specific antiviral treatments but is better managed with rapid diagnostics. Antiviral drugs can shorten episodes and reduce recurrence of aseptic meningitis.
Area of Science:
- Neurology
- Infectious Diseases
- Virology
Background:
- Acute viral meningitis is the most common central nervous system infection, predominantly affecting children and young adults.
- Enteroviruses are the primary cause of acute viral meningitis, with limited specific antiviral therapies available.
- Recurrent meningitis is less frequent, with Herpes Simplex Virus 2 being a notable cause in young adults.
Purpose of the Study:
- To highlight advancements in diagnosing viral meningitis and their impact on patient management.
- To discuss the role of antiviral agents in managing recurrent aseptic meningitis.
Main Methods:
- Review of current diagnostic approaches for identifying viral etiologies of meningitis.
- Analysis of the therapeutic efficacy of antiviral drugs in managing aseptic meningitis episodes and recurrences.
Main Results:
- Improved diagnostic tests enable faster identification of viral causes, leading to reduced healthcare costs and shorter hospital stays.
- Antiviral medications like acyclovir, valaciclovir, and famciclovir effectively shorten the duration of aseptic meningitis episodes.
- Prophylactic antiviral treatment significantly decreases the frequency of recurrent meningitis.
Conclusions:
- Rapid and accurate viral diagnostics are transforming the management of acute viral meningitis.
- Antiviral therapy is crucial for managing recurrent aseptic meningitis, offering both acute and prophylactic benefits.
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