Journal
TRANSFUSION AND APHERESIS SCIENCE
Volume 56, Issue 3, Pages 474-479Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.transci.2017.06.001
Keywords
Visceral leishmaniasis; Leishmania infantum; Blood donor; DAT; PCR
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Funding
- Mazandaran University of Medical Sciences [2596]
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Background: Little is known regarding transfusion-transmitted leishmaniasis (TTL) and the real global incidence of visceral leishmaniasis (VL) among blood donors as carriers of Leishmania spp. in endemic VL foci including Iran. Recent epidemiological evidences indicate that blood donor may be harbor of Leishmania infantum (L. infantum) infection in Iran. Methods: The aim of the present study was to determine the prevalence of Leishmania infection among blood donors in a main endemic focus of VL in Iran using DAT and polymerase chain reaction (PCR) based methods Between July September 2016, blood samples were collected from 600 apparently healthy blood donors from six blood donation centers and blood donation mobile unit in Ardabil Province, where VL cases had been recorded. Each of these samples was tested for anti-Leishmania antibodies, in direct agglutination test (DAT), and for L. infantum kDNA, the PCR-based assay. Results: Of 600 blood donors, which were examined, 23 (3,8%) blood donors were seropositive by DAT and of 23 seropositive subjects, 82.6% (19123) were positive by PCR. All the seropositive cases were males except one of them was female. Conclusions: Our findings showed that many asymptomatic human carriers of L. infantum live in the endemic regions of northwestern Iran and potentially act as reservoirs of infection; those must be considered carefully by arrangement VL control strategies in the country. (C) 2017 Elsevier Ltd. All rights reserved.
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