Newborn Shots: Why Skipping Hepatitis B Could Bring Back a Hidden Threat

A new study shows that fewer babies are getting the hepatitis B vaccine in recent years. The drop is more than 10 percent from 2023 to August 2025, a trend that worries doctors. Hepatitis B is not as obvious as measles. It travels through blood or body fluids, so parents think newborns are safe. Before routine shots began, about 18, 000 kids under ten got the virus each year in the U. S. Half of those infections came from mothers during birth; the rest happened at home through close contact. The problem is long‑term. Most babies who catch it early become chronic carriers, and later they can develop liver cirrhosis, cancer or failure. In 1988, the country started testing all pregnant women for hepatitis B. Babies born to infected mothers received a shot right after birth. That helped but still left about 50 to 100 new infections each year. To finish the job, a universal newborn vaccination was added in 1991. After that, yearly child cases fell below twenty for decades.Now the Advisory Committee on Immunization Practices has changed its rule. If a mother tests negative, doctors can decide whether to give the baby the vaccine instead of giving it to all newborns. The logic is that a negative test means very low risk for the baby. But history shows why a blanket policy worked. Today, 660, 000 Americans still carry hepatitis B, many unaware of it. Vaccines and screening keep the spread under control. Complicating matters, the Centers for Disease Control moved several childhood shots from “recommended” to “discussed. ” The American Academy of Pediatrics kept the old schedule. A federal court has paused the new changes after a lawsuit. Parents are now confused: which schedule should they follow? Mixed messages can make people doubt the need for vaccines. We already saw measles return when vaccination fell. The lesson is clear: stop a vaccine that works, and the disease can come back. If measles warns us, hepatitis B may be next.