of 85 children with human-immuno-deficiency-virus ( hiv ) infection based on clinical ( opportunistic infection ) , epidemiological ( mother a drug addict or known to be hiv infected ) , and immunological ( helper-t-cell deficiency and impaired proliferative response to pokeweed mitogen ) features , 9 were found to lack antibody to hiv as measured by a commercial enzyme-linked immunoassay ( elisa ) .
C0009450
infection
C0029118
opportunistic infection