The following is an excerpt....
BASICS
Description
- System(s) affected: Nervous
- Synonym(s): Abacterial meningitis; Aseptic meningitis
Epidemiology
Incidence
- Peaks in late summer to early fall:
- Enteroviruses and arthropod-borne viruses predominate in warm months.
- Mumps usually occurs in the winter and spring, often in epidemics.
- Estimated 26,000–42,000 hospitalizations each year in the US (1)[A] for viral meningitis (VM)
- In 2006, there were 72,000 meningitis-related hospitalizations, with 58% of those having meningitis as the primary reason for hospitalization. Of all 72,000 hospitalizations, 56.4% were determined to be viral cases (2)[A].
- More common than bacterial meningitis
- Occurs in both outbreak and sporadic forms
Risk Factors
- Close contact with known case of VM
- Immunocompromised hosts may be more ...
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