Insight Into Severe Neonatal COVID-19 Gained Through Whole Exome Sequencing of Twin Neonates.

The genetic basis of neonatal COVID-19 infection, which exhibits a range of severity, has not been investigated. We identified both shared and unique genetic variants involved in antiviral immune responses through whole exome sequencing of an infant who developed severe COVID-19 pneumonia and multisystem inflammatory syndrome and the twin brother also positive for severe acute respiratory syndrome-coronavirus-2, but with only moderate respiratory symptoms.
Competing Interests: The authors have no funding or conflicts of interest to disclose.
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