Objective To compare and evaluate the ELISA method constructed by our laboratory with human parvovirus B19(B19),German ELISA Kit and PCR technique for detecting B19 infection.Methods Our own ELISA method was modified by being coated with B19 VP1 unique(VP1u) recombinant protein.IgM and IgG were detected with the modified ELISA method and German B19 ELISA Kit in 215 blood samples.B19 DNA was detected with PCR technique.The sensibility,specificity and accuracy were analyzed and compared.Results The optimal qu...