Share of infants from Zika pregnancies with birth defects by location U.S. 2018

Between December 1, 2015 and March 31, 2018, among pregnancies with laboratory evidence of confirmed or possible Zika virus infection, 4.6 percent of the live-born infants had any Zika-associated birth defect. This percentage varies by location of birth. This graph shows the percentage of U.S. live-born infants, born between 2015 and 2018, from pregnancies with laboratory evidence of confirmed or possible Zika virus infection that had any Zika-associated birth defect, by location of birth.

Percentage of U.S. live-born infants from pregnancies with Zika virus infection that had any Zika-associated birth defect from 2015 to 2018, by location of birth*

Characteristic	Percentage of live-born infants
U.S. states and DC	5.4%
U.S. territories and freely associated states**	4.2%
Total	4.6%

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Release date

January 2022

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Region

Puerto Rico, United States, U.S. Virgin Islands

Survey time period

December 1, 2015 to March 31, 2018

Number of respondents

6,799 respondents

Supplementary notes

* From pregnancies with laboratory evidence of confirmed or possible Zika virus infection.

** "U.S. territories in U.S. Zika Pregnancy and Infant Registry (USZPIR) are American Samoa, Puerto Rico, and the U.S. Virgin Islands; freely associated states are Federated States of Micronesia and the Marshall Islands."

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