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. 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
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.