Aseptic Meningitis Epidemic during a West Nile Virus Avian Epizootic
Kathleen G. Julian* , James A. Mullins†, Annette Olin‡, Heather Peters§, W. Allan Nix†, M. Steven Oberste†, Judith C. Lovchik¶, Amy Bergmann§, Ross J. Brechner§, Robert A. Myers§, Anthony A. Marfin*, and Grant L. Campbell*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡St. Matthew’s School of Medicine, Grand Caymans, British West Indies; §Maryland Department of Health and Mental Hygiene, Baltimore, Maryland, USA; ¶University of Maryland Medical Center, Baltimore, Maryland, USA
Figure 1. Residents of Baltimore City and County evaluated at six hospitals and assigned aseptic meningitis ICD-9-CM discharge diagnosis codesa during June 1 – September 30, 1998-2001. a If during one season a patient had >1 discharge diagnosis codes for aseptic meningitis, the patient was only counted once.
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