The risk of refusing a newborn’s vitamin K shot By Theresa Gaffney July 14, 2026 Stat News Share Summary Takeaways Listen Insight Report Quiz Top Institutions 1 Prophylactic vitamin K shots for newborns have been recommended globally for over 50 years to prevent life-threatening deficiencies. 2 An increasing number of parents in the U.S. are declining vitamin K shots for their newborns, raising concerns about infant health. 3 A ProPublica investigation suggests that the lack of tracking may lead to undercounting preventable infant deaths from vitamin K deficiency. 4 A study in JAMA Pediatrics highlights that babies who do not receive the vitamin K shot have a significantly higher risk of bleeding. 5 In Sweden, the percentage of babies not receiving the vitamin K shot rose from 0.66% in 2006 to 1.5% in 2021.