Birth Outcomes Related to Prenatal Zika, Dengue, and Other Flavivirus Infections in the Zika en Embarazadas y Niños Prospective Cohort Study in Colombia
Adult
Male
Adolescent
Zika Virus Infection
Infant, Newborn
Pregnancy Outcome
Infant
Zika Virus
Colombia
Dengue
Young Adult
0302 clinical medicine
Pregnancy
Humans
Female
Prospective Studies
Pregnancy Complications, Infectious
DOI:
10.4269/ajtmh.23-0873
Publication Date:
2024-07-09T13:37:23Z
AUTHORS (24)
ABSTRACT
ABSTRACT.
Zika virus (ZIKV) infection in pregnancy is associated with severe abnormalities of the brain and eye and other adverse outcomes. Zika en Embarazadas y Niños was a prospective cohort study conducted in multiple Colombian cities that enrolled pregnant women in their first trimester. Specimens collected from pregnant women (n = 1,519) during February 2017–September 2018 and their infants (n = 1,080) during June 2017–March 2019 were tested for prenatal ZIKV infection by nucleic acid amplification tests or IgM antibody testing. Zika virus infection in pregnancy was present in 3.2% of pregnant women (incidence rate [IR] per 1,000 person-months = 5.9, 95% CI: 4.3–7.8). Presumptive ZIKV infection was present in 0.8% of infants (IR = 1.6, 95% CI: 0.7–2.9). Five percent of infants with prenatal ZIKV exposure or infection presented with Zika-associated abnormalities; 4.7% were small for gestational age. Understanding the risk of ZIKV infection during pregnancy and associated adverse outcomes can help inform counseling efforts.
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