Docs say Trump’s recommendation on hep B shot is mistaken : NPR

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SERGII IAREMENKO/Science Picture Library RF/Getty Photos It is uncommon for presidents to provide out medical recommendation. However in a White Home press briefing earlier this week, President Trump questioned the knowledge of vaccinating all newborns in opposition to hepatitis B.

"There is no motive to provide a child that is virtually simply born hepatitis B [vaccine," Trump said. "So I would say wait until the baby is 12 years old."

But pediatricians say this message is wrong.

"It would be extremely dangerous and it's a totally irresponsible suggestion," says Dr. Andrew Pavia, a professor of pediatrics and medicine with the University of Utah and a pediatric and adult infectious disease specialist.

Hepatitis B is a virus that attacks the liver. The disease has no cure and chronic infection can lead to serious outcomes such as liver cancer, cirrhosis and death. And the risks of these outcomes are much higher for people who get infected as infants.

"About 25% of children who develop chronic hepatitis B will die of their infection," says Pavia, who is also a spokesperson for the Infectious Diseases Society of America.

Before the U.S. began universally vaccinating newborns in 1991, some 18,000 children a year would become infected before the age of 10. About half were infected through mother–to-child transmission, Pavia says. Giving newborns the shot right after birth prevents the virus from taking hold.

The other half of kids got infected from somewhere else. President Trump said hepatitis B is sexually transmitted — which is one means of transmission — so there's no reason to give the vaccine to a baby. But Pavia says the risks for kids are everywhere.

"There have been cases of infections in daycare. There have been cases of infection on sports teams. There have been documented infections from shared toothbrushes and from shared razors," he says.

The virus is found in blood, saliva, semen and other bodily fluids, even tears, and it can live on surfaces for up to seven days. A child with a wound who comes into contact with that surface – even days later — could become infected, says Dr. Anita Patel, a pediatrician and pediatric critical care physician in Washington, D.C.

According to the Centers for Disease Control and Prevention, about half of the people infected with Hepatitis B don't know they have the virus, but Patel says they can still pass on the virus unwittingly.

"If you have a cut, that blood could potentially get on the infant," Patel says. "And if that infant has any sort of break in their skin — as infants, frankly, frequently do — they can then get hepatitis B," says Patel.

Dr. Su Wang says she suspects she got infected with hepatitis B as an infant, through her grandparents. She says they, likely got exposed through their jobs as medical workers in Taiwan. Taiwan used to have very high rates of hepatitis B infection among adults before the country began a successful national vaccination program in the 1980s.

"When I was born, they came over to help, like a lot of grandparents do, and they lived with us," Wang says. "They became primary caregivers for the first month of life. And so very likely that's how I got hep B."

Wang is now an internist and researcher specializing in hepatitis at Cooperman Barnabas Medical Center in New Jersey.

She says it's very important to give the shot at birth. Since vaccination of newborns became routine in the U.S., case rates have plummeted by 99 percent among people age 19 and younger.