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Vertical transmission of SARS-CoV-2 delta-variant in a preterm infant. | LitMetric

Vertical transmission of SARS-CoV-2 delta-variant in a preterm infant.

BMC Infect Dis

Division of Neonatology, Department of Pediatrics, NYU Langone Hospital-Long Island, New York University Grossman Long Island School of Medicine, 259 First Street, Mineola, NY, 11501, USA.

Published: May 2024

AI Article Synopsis

Article Abstract

Background: As SARS-CoV-2 continues to be relevant and cause illnesses, the effect of emerging virus variants on perinatal health remains to be elucidated. It was demonstrated that vertical transmission of SARS-CoV-2 is a relatively rare event in the original SARS-CoV-2 strain. However, very few reports describe vertical transmission related to the delta-variant.

Case Presentation: We report a case of a preterm male neonate born to a mother with positive SARS-CoV-2 and mild respiratory complications. The neonate was born by cesarean section due to fetal distress. The rupture of the amniotic membrane was at delivery. The neonate had expected prematurity-related complications. His nasopharyngeal swabs for RT-PCR were positive from birth till three weeks of age. RT-ddPCR of the Placenta showed a high load of the SARS-CoV-2 virus with subgenomic viral RNA. RNAscope technique demonstrated both the positive strand of the S gene and the orf1ab negative strand. Detection of subgenomic RNA and the orf1ab negative strand indicats active viral replication in the placenta.

Conclusions: Our report demonstrates active viral replication of the SARS-CoV-2 delta-variant in the placenta associated with vertical transmission in a preterm infant.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11134764PMC
http://dx.doi.org/10.1186/s12879-024-09420-yDOI Listing

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