Children’s Hospital of Philadelphia Researchers Identify Concerning Increase in Newborns Not Receiving Preventative Vitamin K Shots
Dec 8, 2025
In a new study, researchers at Children’s Hospital of Philadelphia (CHOP) uncovered an alarming trend – the proportion of newborn infants not receiving preventative vitamin K shots has increased by 77% since 2017. The findings were reported in the Journal of the American Medical Association (JAMA).