“…Several risk factors have been found [6][7][8][9] to predispose to falsepositive HIV ELISAs: autoimmune disease, renal failure, cystic fibrosis, multigravidity, blood transfusions, hepatic disorders, lymphomas, intravenous drug abuse, hemodialysis, or recent vaccinations for hepatitis B, rabies, or influenza. It is presumed that these conditions lead to a generalized immune stimulation that induces the production of anti-HLA-DR or other antibodies that crossreact with the HIV antigens of the ELISA assay.…”