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Seroprevalence of transfusion transmissible viral infections among blood donors in a tertiary care hospital


Timely transfusion of blood saves millions of lives but unsafe transfusion practices puts many people at risk of transfusion transmissible infection (TTI). TTI can exist as an asymptomatic disease in the host; so, donors must be screened for high risk behaviour related diseases.


To estimate the seroprevalence of HIV, HBsAg and HCV among whole blood donors.


This study was conducted at Department of Transfusion Medicine, Sri Ramachandra University, Porur; Chennai during Jul-2010 to Jun-2011. The sample size in this study was 11,871. All samples were subjected to ELISA screening for anti-HIV 1 & 2, HBsAg and anti-HCV in addition to other mandatory tests.


Out of 11,871 samples, seroprevalence of HIV, HBsAg and HCV were estimated to be 0.05%, 1.58% and 0.13% respectively during the study period.


Stringent screening of donors for TTI is crucial to ensure safe supply of blood and blood products. This study involved both voluntary and replacement donors. Prevalence of TTI was found to be low in females. Highly sensitive ELISA kits play a major role in detecting antibody to HIV, HCV and HBsAg. Furthermore, Nucleic Acid Testing (NAT) facilitates viral detection at a much earlier stage and therefore reduces the chances of window period infection transmission to 1 in a million.

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Correspondence to C Dhinesh Kumar.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kumar, C.D., Panicker, V., Febe, R. et al. Seroprevalence of transfusion transmissible viral infections among blood donors in a tertiary care hospital. BMC Infect Dis 12 (Suppl 1), P26 (2012).

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