Table 4. Serum samples from Zika virus–infected patients in Nicaragua (20 positive and 12 negative by qRT-PCR).
Sera (n = 32)Serum RNA preparation (n = 32)
Direct LAMPqRT-PCRLAMP
PositiveNegativePositiveNegativePositiveNegative
qRT-PCRPositive18 (90%)2 (10%)19 (95%)1 (5%)19 (95%)1 (5%)
Negative4 (33%)8 (67%)012 (100%)1 (8%)11 (92%)