Table 5. Plasma samples from Zika virus–infected patients in Brazil (31 positive and 18 negative by qRT-PCR and serology).
Plasma (n = 49)RNA (n = 26)RNA and plasma combined
qRT-PCRLAMPLAMPLAMP
PositiveNegativePositiveNegativePositiveNegativePositiveNegative
qRT-PCR and serologyPositive25 (81%)6 (19%)20 (65%)10 (32%)16 (70%)7 (30%)26 (84%)5 (16%)
Negative018 (100%)12 (67%)6 (33%)2 (9%)1 (33%)12 (67%)6 (33%)