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Study Has Warning About Missed Hepatitis B Shots at Birth

— About 90% of infants infected at birth go on to develop chronic infection

by MedPage Today | April 24, 2026
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Among 210,000 children who missed their birth dose, 73.2% of those born in 2014 still ended up getting fully vaccinated by age 18 months, but that percentage plunged to 55.3% for those born in 2023, reported researchers led by Joshua Williams, of Denver Health and Hospital Authority in Colorado.