TABLE 2.

Comparison of initial IgM results between Focus and PANBIO MAC-ELISAa and CDC MAC-ELISA and IgM IFA

TestResultNo. of samples with indicated result by:
CDC MAC-ELISAIgM IFA
++
Focus MAC-ELISA+3501753
26646
+/−b0002
PANBIO MAC-ELISA+3401756
266140
+/−1005
  • a MAC-ELISA, IgM antibody-capture ELISA.

  • b +/−, equivocal.