Table 3 Association of anti-NS1 antibodies with the plaque reduction neutralization test*.

From: High correlation between Zika virus NS1 antibodies and neutralizing antibodies in selected serum samples from normal healthy Thais

Virus

NS1 positive/PRNT90 ≥ 20

NS1 negative/PRNT90 < 20

P

ZIKV

21/30 (70%)

30/30 (100%)

<0.00001

JEV

9/27 (33.3%)

31/33 (93.9%)

<0.01

DENV 1

40/43 (93%)

12/17 (70.6%)

<0.00001

DENV 2

38/43 (88.4%)

14/17 (82.4%)

<0.00001

DENV 3

31/41 (75.6%)

15/19 (78.9%)

<0.0001

DENV 4

20/24 (83.3%)

19/36 (52.8%)

<0.01

  1. *PRNT data as previously published8.