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Volume 9, Number 7—July 2003
Research

Hantavirus Prevalence in the IX Region of Chile

Marlis Täger Frey*†Comments to Author , Pablo C. Vial*‡, Constanza H. Castillo§, Paula M. Godoy*, Brian Hjelle¶, and Marcela G. Ferrés*
Author affiliations: *Universidad Católica de Chile, Santiago, Chile; †Universidad Austral de Chile, Valdivia, Chile; ‡Universidad del Desarrollo, Santiago, Chile; §Universidad de La Frontera, Temuco, Chile; ¶University of New Mexico School of Medicine, Albuquerque, New Mexico, USA

Main Article

Table 2

Incidence of hantavirus cardiopulmonary syndrome (HCPS) and seroprevalence in Chile’s IX Region according to geographic area

Region
 p valuea
(A vs. B) RR (95% CI)a
Global Andean
(A) Central (B)b Coastal
Disease
0.0001
 29.6 (11.46 to 76.47)
Cases
 34
 29
 1
 4
Population
 781,242
 127,974
 424,278
 229,190
Cumulative Incidence (1997-2001) (x106)c
 4.35
 22.66
 0.23
 1.74
Infection
0.00013 NAd
Seropositive
 6
 6
 0
 0
Sample
 830
 271
 272
 286
Prevalence (%) 0.72 2.15 0 0

ap values were determined using 2-tailed Fisher exact test; RR, relative risk; CI, confidence interval.
bB is Central and Coastal regions combined.
cChile’s Department of Health, March 2001.
dNot applicable.

Main Article

Page created: December 22, 2010
Page updated: December 22, 2010
Page reviewed: December 22, 2010
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