How common is aseptic meningitis caused by the mumps virus?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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The mumps virus is the most common cause of aseptic meningitis in unimmunized populations, occurring in 30% of all patients with mumps. Upon exposure, an incubation period of approximately 5-10 days ensues, followed by a nonspecific febrile illness and an acute onset of aseptic meningitis. This may be associated with orchitis, arthritis, myocarditis, and alopecia.

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