The revised guidelines also will lead to more than $20 million in extra health care costs, the research shows.

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Babies are born with low levels of vitamin K, which helps blood clot, and little is transferred from the mother through breastmilk. Without additional vitamin K, newborns are at risk of potentially ...

U.S. health officials have asked doctors to prioritize which infants get the new RSV shot, just as cases of the respiratory disease begin to rise with the onset of cold and flu season. Due to a ...