Table 1.

Characteristics of study participants

Maternal age (year)	33 ± 5
Gestational age at delivery (week)	38 ± 5
Race/Ethnicity
White	6 (27)
Black	2 (9)
Asian	2 (9)
Multi-racial	1 (5)
Unknown/Other	11 (50)
Hispanic	11 (50)
Clinical Zika testing
Negative	8 (36)
Positive	3 (14)
Unknown/declined	11 (50)
Gestational Age at Exposure
Preconception	13 (59)
First trimester	16 (72)
Second trimester	9 (41)
Third trimester	3 (14)
Exposure type
Living in high transmission area	9 (41)
Travel to high transmission area	14 (64)
Sexual exposure	16 (73)
Exposure region
North America	5 (23)
Caribbean	11 (50)
Central America	1 (5)
South America	6 (27)
Africa/Cape Verde	1 (5)
Asia/Pacific Islands	0
Infection history
Symptoms of Zika infection	3 (14)
Prior non-Zika flavivirus infection	2 (9)
Vaccine history
Yellow fever vaccine	5 (23)

All values expressed as mean ± standard deviation or n (%)