Ebola-negative neonates born to Ebola-infected mothers after monoclonal antibody therapy: a case series

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Few fetuses survive childbirth when the mother is positive for Ebola virus, with almost all being miscarried or stillborn, or dying shortly after birth. Before 2019, only two infants had been reported surviving past 28 days, of whom one tested positive for Ebola virus and subsequently received experimental therapies. Little is understood regarding the care of surviving neonates born to Ebola virus-positive mothers in the postnatal period and how novel anti-Ebola virus therapies might affect neonatal outcomes.


In this case series, we report on two neonates liveborn during the 2018–20 North Kivu Ebola epidemic in the Democratic Republic of the Congo who, along with their Ebola virus-positive mothers, received investigational monoclonal antibody treatment (mAB114 or REGN-EB3) as part of a randomised controlled trial ( NCT03719586).


Both infants were born Ebola-negative and progressed well while in the Ebola Treatment Centre. Neither neonate developed evidence of Ebola virus disease during the course of the admission, and both were Ebola-negative at 21 days and remained healthy at discharge.

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