In France, since 2010, the risk of HIV transmission by transfusion is reduced by the use of individual NAT.
Despite this testing approach, a false negative test result was obtained from a 57-year-old male repeat donor in March 2017, using the ProcleixUltrio assay. A repository sample from that donation tested positive with the Cobas Taqman HIV-1 (limit of detection at 95%, 17 copies/mL).