Research confirms rarity of vertical transmission of SARS-CoV-2 from moms to newborns

A current Youngsters journal examine examined newborns born to moms contaminated with extreme acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and admitted to the neonatal intensive care unit (NICU) compared with newborns who stayed with their moms. Herein, the researchers affirm the rarity of SARS-CoV-2 vertical transmission and located no affiliation between hospital outcomes of newborns of contaminated moms and preterm beginning in SARS-CoV-2 constructive girls.

Study: Outcome of neonates born to SARS-CoV-2 infected mothers: tertiary care experience at the US-Mexico border.  Image Credit: Iryna Inshyna/

Research: Final result of neonates born to SARS-CoV-2 contaminated moms: tertiary care expertise on the US-Mexico border. Picture Credit score: Iryna Inshyna/


A girl’s immune system undergoes a number of dynamic modifications throughout being pregnant. Being pregnant, for instance, typically makes the girl extra susceptible to varied pathogens resembling micro organism, viruses and parasites. That is because of the immunosuppressive state of moms, which because of this will increase the chance of newborns creating viral infections.

In the course of the 2019 coronavirus illness (COVID-19) pandemic, quite a few research have confirmed that the vertical transmission of SARS-CoV-2 between mom and child is rare. However, a big quantity of proof has proven that COVID-19 throughout being pregnant is related to poor outcomes resembling fetal dying, preeclampsia and preterm beginning, in addition to each postpartum and postnatal issues.

Offering the very best postpartum and postnatal care requires an understanding of the scientific significance, issues and epidemiological features of SARS-CoV-2 an infection throughout being pregnant.

The COVID-19 pandemic has had a big impression on the aged and immunocompromised people, in addition to marginalized communities resembling ethnic minorities and people dwelling in poorer socio-economic circumstances. Important challenges exist for people dwelling alongside the United States-Mexico border, significantly by way of their capacity to obtain ample medical care. In reality, a number of research have proven that individuals dwelling shut to frame areas are extra affected by inequalities in accessing ample well being care.

Concerning the examine

The aim of the current examine was to evaluate being pregnant and postoperative outcomes of SARS-CoV-2 constructive moms admitted to a Stage IV neonatal maternal heart on the US-Mexico border in El Paso, Texas.

The present examine included all pregnant girls who examined constructive for SARS-CoV-2 throughout being pregnant from June 2020 to June 2021, in addition to all newborns of contaminated pregnant girls. As well as, newborns admitted to the NICU have been in contrast with these allowed to stick with their moms after beginning.

Research findings

A complete of 88 newborns have been born to 88 SARS-CoV-2 constructive moms, 15 of whom have been admitted to the NICU. Moms of newborns admitted to the NICU have been extra prone to obtain prenatal care outdoors the USA and require intensive CPR at supply.

No vital variations have been discovered within the gestational age of newborns admitted to the NICU in comparison with those that weren’t. Moreover, no distinction was noticed between the 2 teams of neonates with regard to physique weight at beginning, Apgar rating, intercourse or mode of supply.

Full blood depend (CBC) assessments revealed no distinction in white blood cell (WBC) counts, neutrophil percentages, platelet ranges, band share, or hematocrit percentages between newborns admitted to the NICU and those that weren’t.

Infants in each teams had related charges of breastfeeding at discharge no matter median size of hospital keep. As well as, the charges of readmission to hospital throughout the first month after discharge weren’t considerably completely different between the 2 teams.

Complete blood count results after 24 and 48 hours.Full blood depend outcomes after 24 and 48 hours.


The present retrospective examine had a modest pattern measurement, requiring a bigger examine to verify these findings. As well as, inadequate info on full blood counts was used for all infants.

As a result of unbridled inflow and outflow of people throughout the border, postnatal follow-up could have been misplaced. This might have resulted in undercounting of information on newborns and infants after hospital discharge.

The placentas of contaminated moms weren’t assessed for abnormalities; thus pregnancy-related issues on account of COVID-19 couldn’t be described. A bigger examine evaluating infants born to pregnant girls dwelling on the US-Mexico border with and with out COVID-19 would offer extra details about pregnancy-related outcomes of this illness.


All issues thought-about, NICU infants uncovered to SARS-CoV-2 throughout being pregnant have been extra prone to require CPR. Observe that SARS-CoV-2 an infection didn’t enhance the speed of preterm births on this examine.

Inside a month of hospital discharge, newborns of SARS-CoV-2 contaminated moms have been much less prone to develop a critical an infection necessitating hospitalization.

Importantly, the researchers advocated continued breastfeeding by moms no matter their SARS-CoV-2 an infection standing.

Reference journal:

  • Everett, C., Kye, Y., Panda, S., et al. (2022). Final result of neonates born to SARS-CoV-2 contaminated moms: tertiary care expertise on the US-Mexico border. Youngsters. doi: 10.3390/children9071033.

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