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Volume 10, Number 6—June 2004
Research

Environmental Exposure and Leptospirosis, Peru

Michael A.S. Johnson*†, Hannah Smith†, Priya Joseph†, Robert H. Gilman*†, Christian T. Bautista*‡, Kalina J. Campos*§, Michelle Cespedes†, Peter Klatsky†, Carlos Vidal¶, Hilja Terry†, Maritza M. Calderon*§, Carlos Coral†, Lilia Cabrera†, Paminder S. Parmar†, and Joseph M. Vinetz#Comments to Author 
Author affiliations: *Asociación Benéfica Prisma, Lima, Peru; †Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; ‡U.S. Naval Medical Center Research Detachment, Lima, Peru; §Universidad Peruana Cayetano Heredia, Lima, Peru; ¶Ministry of Health, Iquitos, Peru; #University of California San Diego School of Medicine, La Jolla, California, USA

Main Article

Table 2

Leptospirosis seroprevalence among residents by study site

Pampas San Juan
% (pos/total)a Rural communitiesb
% (pos/total) Belen
% (pos/total) Comparison among all sites Comparison of Belen vs. rural community
Overallc
0.7 (1/150)
16.5 (52/316)
28.0 (182/650)
p < 0.001
p < 0.001
Sex





F
0.0 (0/57)
15.8 (24/152)
29.6 (105/356)
p < 0.001
p = 0.001
M
1.1 (1/93)
17.1 (28/164)
26.4 (77/292)
p < 0.001
p = 0.024
M vs. F comparison
p = 0.999
p = 0.758
p = 0.428


aLeptospirosis prevalence (number of positive cases/total of persons tested).
bSan Carlos, Moralillo, and Buen Pastor.
cOptical density >0.500.

Main Article

Page created: February 22, 2011
Page updated: February 22, 2011
Page reviewed: February 22, 2011
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