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Table 4 Pregnancy and delivery characteristics of three participants of a pregnancy cohort with confirmed ZIKV by PRNT, Kenya, 2017–2019

From: Prevalence of microcephaly and Zika virus infection in a pregnancy cohort in Kenya, 2017–2019

Characteristic Participant 1 Participant 2 Participant 3
No. of samples positive/tested by ELISA for anti-ZIKV IgM 3/5 2/6 3/6
No. of samples positive/tested by PRNT 1/3 2/2 1/3
IgM positive at enrolment Yes Yes No
Gestational age at PRNT confirmation • Enrolment at 12.3 weeks • Enrolment at 13.9 weeks
• Follow-up at 24.8 weeks
• Follow-up at 33.3 weeks
Gestational age at enrolment 12.3 weeks 13.9 weeks 14.3 weeks
Age in years at enrolment 30.1 36.9 21.3
HIV infection Negative Positive Negative
Pregnancy outcome Lost to follow-up Live newborn Live newborn
Gestational age at delivery Lost to follow-up 37.3 41.1
Small-for-gestational-age newborn Lost to follow-up No No
  1. DENV dengue fever virus, ZIKV Zika virus, PRNT plaque reduction neutralization assay