Table 1.
Date |
IFA |
ELISA |
Culture |
Slides |
PCR (Ct value) |
---|---|---|---|---|---|
23 November 2010 | Positive (1:512) | Positive (2.422) | NI | NI | NI |
2 December 2010 | Positive (1:256) | Positive (2.773) | Negative | Negative | Negative |
9 December 2010 | NI | NI | ND | ND | Equivocal (34) |
14 December 2010 | NI | NI | Negative | Negative | Positive (32) |
30 December 2010 | Positive (1:256) | Positive (2.205) | Negative | Negative | Positive (27) |
10 February 2011 | NI | NI | ND | ND | Negative |
14 March 2011 | Positive (1:256) | Positive (1.678) | Negative | Negative | Negative |
6 June 2011 | Positive (1:256) | Positive (1.12) | Negative | Negative | Negative |
IFA, immunofluorescence assay; ELISA, enzyme-linked immunosorbent assay; PCR, polymerase chain reaction; Ct value, quantitative output of fluorescence threshold; NI, not indicated; ND, not done.