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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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