Laboratory Results for the Fatal Laboratory Positive Dengue Cases, 2007, Puerto Rico.

DPO = day post onset of fever; DENV = dengue virus; RT-PCR = reverse transcriptase polymerase chain reaction; MAC-ELISA = IgM antibody capture enzyme linked immunosorbent assay; ELISA = enzyme linked immunosorbent assay; WNV = West Nile virus; PRNT = plaque reduction neutralization test; IgM Lepto = IgM ELISA ImmunoDOT assay for Leptospira; IHC = immunohistochemical microscopy; NEG = negative test result; POS = positive test result; N/A = not applicable for patient; QNS = quantity not sufficient to perform test indicated.†These samples where whole blood collected at time of death.