Conglutinin was extracted and purified from bovine’s sera and was used in ELISA for the detection of circulating immune complexes in the sera of patients suffering from epidemic hemorrhagic fever (EHF). The detected rates of circu- Conglutinin was extracted and purified from bovine’s sera and was used in ELISA for the detection of circulating immune complexes in the sera of patients suffering from epidemic hemorrhagic fever (EHF). The detected rates of circu-