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. 2017 Aug 29;206(5):383–401. doi: 10.1007/s00430-017-0517-y

Table 2.

Fourfold tables, ZIKV and DENV, IgM and IgG for SMIA versus indirect immunofluorescent test, IIFT

ZIKV IgM SMIA step 2^a	ZIKV IgM IIFT
ZIKV IgM SMIA step 2^a	Pos	Neg
Pos	26	5
Neg	1	9
		9	Sensitivity
		Total 41	ZIKV SMIA IgM vs IIF IgM 26/27 = 96%

ZIKV IgG SMIA step 2^a	ZIKV IgG IIFT
ZIKV IgG SMIA step 2^a	Pos	Neg
Pos	39	2
Neg	0	0
		0	Sensitivity
		Total 41	ZIKV SMIA IgG vs IIF IgG 39/39 = 100%

DENV IgM SMIA step 2^a	DENV IgM IIFT
DENV IgM SMIA step 2^a	Pos	Neg
Pos	43	13
Neg	1	1
		1	Sensitivity
		Total 8	DENV SMIA IgM vs IIF IgM 43/44 = 98%

DENV IgG SMIA step 2^a	DENV IgG IIFT
DENV IgG SMIA step 2^a	Pos	Neg
Pos	58	0
Neg	2	0
		0	Sensitivity
		Total 60	DENV SMIA IgG vs IIF IgG 60 = 97%

^aStep 2, Table 1. ZIKV SMIA result based on NS1, DENV SMIA result based on WV and NS1 antigens