Abstract
Risk for transmission of Leishmania infantum from blood products has been largely demonstrated in human and veterinary literature. Appropriate screening of canine blood donors is important especially in an endemic area such as Barcelona (Spain). The purpose of this study was to evaluate the presence of L infantum DNA parasites by real-time quantitative PCR in our canine blood bank. Samples from blood products obtained from 92 canine blood donors were assayed for L infantum by means of real-time PCR amplification and quantification. The prevalence of quantitative PCR-positive blood samples among healthy seronegative blood donors was 19.6 per cent. The results of this study show that L infantum infection is common in canine blood donors and their blood products in an endemic area, despite a negative commercial serological screening for infectious diseases. Therefore, screening by PCR should be included in an integrated approach to evaluate L infantum infection among potential blood donors.
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