TABLE 10.

Estimated unitary cost of preventing transfusion-transmitted infections in selected countries in 1993^a

Countryb	Cost ($) of preventing infection by:
	HIV		HBVc		HCV		T. cruzi
	Single test	Preventing 1 infected unit	Single test	Preventing 1 infected unit	Single test	Preventing 1 infected unit	Single test	Preventing 1 infected unit
ECUd	1.7	1,708	1.0	263	10.0	7,136	0.35e	175
ELS	2.0	1,550	1.9	238	4.5	1,802	1.0e,f	68
GUT	1.8	601	1.7	243	3.5	438	0.9e	36
HON	0.9	232	0.9/0.5f	334/186	3.5	6,971	0.45f	36
NIC	1.0	23,000	0.5f	125	3.5	797	0.5f	209
VEN	1.3	619	1.3	90	4.5	479	0.5/0.3e	38/23

^aCost of preventing (i.e., detecting) one infected unit. All costs refer to EIA, unless otherwise indicated.

^bAbbreviations for countries are given in Table 1, footnote a.

^cHBsAg only.

^dCost from 1993, but prevalence for calculations from 1994.

^eIHA.

^fRadioimmunoassay (88).