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. Author manuscript; available in PMC: 2021 Oct 22.
Published in final edited form as: Birth Defects Res. 2021 Jul 30;113(17):1267–1274. doi: 10.1002/bdr2.1945

FIGURE 1.

FIGURE 1

Flowchart of cases with negative ZIKV IgM testing born to mothers with confirmed ZIKV infection during pregnancy and the CZS clinical phenotype from the U.S. Zika Pregnancy and Infant Registry and Zika Birth Defects Surveillance. †One infant excluded had the CZS clinical phenotype; ‡2 infants excluded had the CZS clinical phenotype; §2 infants excluded had the CZS clinical phenotype; 48 IgM+, 3 IgM equivocal; ††23 IgM+, 1 IgM equivocal; ‡‡25 IgM+, 2 IgM equivocal; §§12 IgM+, 1 IgM equivocal; ¶¶11 IgM+, 1 IgM equivocal. CMV = cytomegalovirus; CZS = congenital Zika syndrome; IgM = immunoglobulin M; NAAT = nucleic acid amplification testing; ZIKV = Zika virus