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Table 2 Characteristics of patients seropositive for Chagas disease.

From: Prevalence of transfusion-transmitted Chagas disease among multitransfused patients in Brazil

Diagnosis

Year of 1st Transfusion

Units transfused (before/after 1997)

Other risk factors for Chagas Disease

Estimated donor exposure *

Hemophilia

1980

72/262

None

50

Thalassemia

1971

1297/253

None

1550

S/β Thal

1975

10/0

None

10

  1. * Donor exposure was estimated assuming 1 unit blood product:1 donor for all blood products, except lyophilized factor concentrates that were not included in this estimation.