Plaque Reduction Neutralization Test (PRNT)

Days Post Onset of Symptoms

Anti-ZIKV IgM ELISA

ZIKV

DENV-1

DENV-2

DENV-3

DENV-4

0

Neg

<10

20

640

40

40

15

Pos

5120

2560

>20,480

2560

320

22

Pos

5120

2560

>20,480

2560

160

29

Pos

5120

1280

≥20,480

640

160

36

Pos

5120

320

20,480

640

320

50

Pos

5120

640

20,480

640

160

54

ND

10,240

320

10,240

640

160

64

Pos

ND

ND

ND

ND

ND

78

Pos

ND

ND

ND

ND

ND

92

Neg

ND

ND

ND

ND

ND

120

Neg

ND

ND

ND

ND

ND

137

Neg

ND

ND

ND

ND

ND

151

Neg

ND

ND

ND

ND

ND

165

Neg

ND

ND

ND

ND

ND

179

Neg

ND

ND

ND

ND

ND