Two of the infected babies showed lethargy and were feverish, and both had symptoms of pneumonia. Both were born at full term. They tested positive for coronavirus on the second and fourth day after birth, but the third test on day six showed negative results.
The third infected baby had to be delivered prematurely because of fetal distress. According to a report by Health.com, it had to be resuscitated.
The said baby was diagnosed with pneumonia and neonatal respiratory distress syndrome at birth, and tested positive for coronavirus two days after it was born. A third test on day seven yielded a negative result.
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The doctors have reason to believe that the transmission of the virus could only have happened while the babies were still in their mothers' womb, or what is called a vertical transmission.
David Kimberlin, MD, a pediatric infectious disease specialist at the University of Alabama ang Birmingham, says evidence "suggests that there was perinatal transmission," calling it an unusual occurrence. He says though their quick recovery is encouraging. "For [those] three babies, that’s good news, and I think we have to celebrate that."
The JAMA writes that because the sample size is too small, the study needs to be supported by more concrete evidence.
"Although these 2 studies deserve careful evaluation, more definitive evidence is needed before the provocative findings they report can be used to counsel pregnant women that their fetuses are at risk from congenital infection with SARS-CoV-2," says the study.