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Volume 9, Number 9—September 2003
Research

Aseptic Meningitis Epidemic during a West Nile Virus Avian Epizootic

Kathleen G. Julian*Comments to Author , 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

Main Article

Table 1

Descriptive summary of aseptic meningitis cases with onsets from June 1–September 30, 2001, identified at six hospitals, Baltimore, Marylanda

Cause Cases Median age
(range) % <18 y of age CSF (range)
Median leukocyte count/mL
(range) % PMN
pre-dominant Median protein
mg/dL (range)
All enterovirus meningitis cases
 43
 9 y
(1 wk–49 y)
 70
 178 (10–850)
 49
 48 (10–215)
Echovirus 13
 15
 7 y
(1 mo–49 y)
 87
 132 (11–650)
 80
 37 (18–97)
Echovirus 18
 11
 17 y
(2 mo–35 y)
 55
 173 (12–409)
 27
 44 (16–215)
Coxsackievirus B2
 5
 19 y
(1 wk–31 y)
 40
 250 (45–850)
 0
 87 (57–120)
Echovirus 6
 2
 33 y
(31–34 y)
 0
 330 (130–530)
 50
 56 (52–59)
Echovirus 30
 1
 10 y
 1
 10
 0
 18
Untyped enterovirus
 9
 9 y
(1 mo–20 y)
 89
 178 (43–850)
 56
 48 (10–153)
Herpes simplex virus meningitis cases
 2
 39 y
(29–49 y)
 0
 246 (136–355)
 0
 128 (77–179)
Lyme meningitis case
 1
 74 y
 0
 227
 0
 143
Cases of undetermined cause
 67
 25 y
(2 wk–67 y)
 39
 100 (7–1083)
 38b
 53c (19–209)
Total cases 113 18 y
(1 wk–74 y) 50 135 (7–1083) 41d 53e(10-215)

aCSF, cerebrospinal fluid; PMN, polymorphonuclear cells.
bN=64.
cN=65.
dN=110.
eN=111.

Main Article

Page created: January 03, 2011
Page updated: January 03, 2011
Page reviewed: January 03, 2011
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