TABLE 3.
Donors tested in each category
| No. of samples | ZIKV statusa | DENV statusb | Country of origin |
|---|---|---|---|
| 18 | Acute | Pos. | Brazil/Mexico |
| 17 | Acute | Neg. | Nicaragua/Mexico |
| 33 | Convalescent | Pos. | Brazil/U.S. travelers/blood bank donors |
| 30 | Convalescent | Neg. | U.S. travelers/blood bank donors |
| 20 | Neg. | Pos. | Nicaragua/Sri Lanka |
| 20 | Neg. | Neg. | USA |
Infection with ZIKV was confirmed by RT-PCR. ZIKV-negative (Neg.) samples were collected before the onset of the ZIKV epidemic.
Previous exposure to DENV was determined by the presence of detectable DENV-specific IgG titers. Pos., positive.