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Volume 2, Number 1—January 1996

Dispatch

Cluster of Lyme Disease Cases at a Summer Camp in Kent County, Maryland

G. Thomas Strickland*, Leena Trivedi†, Stanley Watkins*, Margaret Clothier‡, John Grant‡, John Morgan§, Edward Schmidtman¶, and Thomas Burkot#
Author affiliations: *University of Maryland School of Medicine, Baltimore, Maryland, USA; †Maryland Department of Health and Mental Hygiene, Baltimore, Maryland, USA; ‡Kent County Health Department, Chestertown, Maryland, USA §Private practice of medicine, Chestertown, Maryland, USA; ¶U.S. Department of Agriculture Animal Research Station, Laramie, Wyoming, USA; #Division of Vector-Borne Infectious Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA.

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Table

Results of WB antibody tests for Borrelia burgdorferi in summer camp residents with positive (titer >= 1.00) and borderline (titer = 0.80-0.99) EIA results.

Serology
WB
Subject Syndrome EIA IgM IgG
1 EM 1.82 Pos Pos
2 EM 1.40 Neg Pos
3 EM 1.21 Neg Neg
4 EM 3.21 Pos Pos
5 Flulike 1.00 Neg Pos
6 Flulike 1.04 Neg Neg
7 Flulike 1.80 Neg Neg
8 Flulike 2.46 Neg Pos
9 None 0.96 Neg Neg
10 None 0.96 ND Pos
11 None 1.82 Neg Pos
12 None 2.21 Neg Neg
13 Sinusitis 1.11 Pos Neg
14 Sinusitus 0.93 Neg Neg
15 None 1.00 Neg Neg
16 Rocky Mountainspotted fever,1991 1.14 Neg Neg

EIA = enzyme immunoassay; EM = erythema migrans; ND = no data; WB = Western blot.

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