. 2019 Mar 8;29:100512. doi: 10.1016/j.nmni.2019.01.008

Table 1.

Frequencies and titres of anti-West Nile virus (WNV) IgG antibodies

	Effective (n)	Positive in IgG anti-WNV		Titre in PRNT90
	Effective (n)	ELISA	PRNT₉₀	1:20	1:80	1:160	1:320	≥1:640
Sample	164	16 (9.8%)	11 (6.7%)	2 (18.2%)	3 (27.3%)	3 (27.3%)	1 (9%)	2 (18.2%)

PRNT, plaque reduction neutralization technique.