Volume 23, Number 9—September 2017
Dispatch
Evaluation of 5 Commercially Available Zika Virus Immunoassays
Table 3
Detection of IgM in RT-PCR–positive serum samples by using in-house and commercial Zika virus serologic assays*
Sample collection dpo | In-house Zika virus diagnostic results |
DENV PRNT | Commercial Zika virus serologic assays results |
||||||
---|---|---|---|---|---|---|---|---|---|
RT-PCR | MAC-ELISA | PRNT | Euroimmun IgM | Euroimmun IgG | Novatec IgM | Abcam IgM | InBios IgM | ||
0 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Neg |
2 | Pos | Neg | ND | ND | Neg | Neg | Eq | Neg | Pos |
5 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Neg |
7 | Pos | Pos | ND | ND | Pos | Pos | Pos | Pos | Pos |
3 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Neg |
2 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Pos |
2 | Pos | Pos | ND | ND | Neg | Neg | Pos | Neg | Pos |
3 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Pos |
3 | Pos | Neg | ND | ND | Neg | Neg | Pos | Neg | PZ |
2 | Pos | Neg | ND | ND | Neg | Neg | Neg | Neg | Neg |
*DENV, dengue virus; dpo, days postsymptom onset; Eq, equivalent; MAC-ELISA, IgM-capture ELISA; ND, not done; Neg, negative; Pos, positive; PRNT, plaque reduction neutralization test; PZ, possible Zika virus; RT-PCR, reverse transcription PCR.