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 LAMP		qRT-PCR		LAMP
		Positive	Negative	Positive	Negative	Positive	Negative
qRT-PCR	Positive	18 (90%)	2 (10%)	19 (95%)	1 (5%)	19 (95%)	1 (5%)
qRT-PCR	Negative	4 (33%)	8 (67%)	0	12 (100%)	1 (8%)	11 (92%)