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Volume 4, Number 1—March 1998

Perspective

Risk for Transfusion-Transmitted Infectious Diseases in Central and South America

Gabriel A. Schmunis, Fabio Zicker, Francisco Pinheiro, and David Brandling-Bennett
Author affiliations: Pan American Health Organization, Washington, D.C., USA

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Table 4

Estimated unitary cost of preventing transfusion-transmitted infections, by country, 1993a

Cost (US$)
HIV
HBVb
HCV
T. cruzi
Country Single test Preventing one infected unit Single test Preventing one infected unit Single test Preventing one infected unit Single test Preventing one infected unit
Chile 2.3 676 1.2c 599 3.5d 547 NAe NA
Costa Rica 1.1 3,280 0.5c 111 NA NA NA NA
Ecuadorf 1.7 1,708 1.0c 263 10.0 7,136 0.35g 175
El Salvador 2.0 1,550 1.9c 238 4.5 1,802 1.0g,h
1.0 68
Guatemala 1.8 601 1.7c 243 3.5 438 0.9g 65
Honduras 0.9 232 0.9c
0.5h 334
186 3.5 6,971 0.45h 36
Nicaragua 1.0 23,000 0.5h 125 3.5 797 0.5h 209
Peru (Lima) 2.4 858 3.5c
2.4i 407
279 8.2 1,862 0.25g 11
Venezuela 1.3 619 1.3c 90 4.5 479 0.5
0.3g 38
23

aCost of preventing (=detecting) one infected unit was calculated as [(number of donors x test cost) ÷ (total number of positive donors detected)]. All costs refer to enzyme-linked immunosorbent assay, unless otherwise indicated.
bHBsAg only
cEnzyme immunoassay.
dEstimated cost based on cost of test in other countries.
eData not available.
fDonors and prevalence for 1994, costs for 1993.
gIndirect hemagglutination.
hRadioimmunoassay.
iPassive reverse hemagglutination.

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