The onset may be rapid, and may follow an upper respiratory infection . The infection occurs in winter or spring, and may cause local epidemics at boarding schools or military bases.
Risk factors are exposure to meningococcal meningitis, and recent upper respiratory infection.
The incidence is 1 out of 1,000,000 people. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. Inc. All rights reserved.