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[Role of enteroviruses in aseptic meningitis in Tunisia]
1Laboratoire de Virologie Clinique, Institut Pasteur de Tunis.
Abstract:
Despite the favourable clinical outcome in most cases, viral meningitis can cause a serious public health problem especially when several cases occur during outbreaks. The first part of this work is a retrospective study conducted in three hospitals in Tunisia and covering a period of three years. It showed an incidence of viral meningitis 2.4. The second part of the study is a prospective one, it included 94 cases of aseptic meningitis notified during a period of 12 months. Virus isolation in cell culture was performed on CSF and stool samples, using cell lines sensitive to enteroviruses. A PCR to detect enteroviruses was also used in parallel. This study represents a first approach to viral meningitis in Tunisia. It highlights the importance of a regular surveillance of the disease and the contribution of molecular methods to a more sensitive diagnostic. However, cell culture remained necessary for viral isolation and serotyping.
Insights
Viral meningitis outbreaks pose a public health risk. This study in Tunisia highlights the need for regular disease surveillance and advanced molecular diagnostics for sensitive viral meningitis detection.
Area of Science:
- Virology
- Epidemiology
- Public Health
Context:
- Viral meningitis, though often clinically favorable, can escalate into significant public health issues, particularly during outbreaks.
- Tunisia faces challenges in managing viral meningitis, necessitating a comprehensive understanding of its incidence and diagnostic approaches.
Purpose:
- To investigate the incidence and diagnostic strategies for viral meningitis in Tunisia.
- To evaluate the effectiveness of cell culture and PCR in detecting enteroviruses in aseptic meningitis cases.
Summary:
- A retrospective study over three years in Tunisia revealed a viral meningitis incidence of 2.4.
- A prospective study analyzed 94 aseptic meningitis cases, employing cell culture and PCR for enterovirus detection in cerebrospinal fluid and stool samples.
- The study underscores the value of molecular methods for enhanced diagnostic sensitivity in viral meningitis.
Impact:
- This research provides a foundational understanding of viral meningitis in Tunisia.
- It emphasizes the critical role of ongoing disease surveillance and the complementary utility of molecular diagnostics alongside traditional cell culture for accurate viral isolation and serotyping.
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