There’s no reason to give a baby that’s almost just born hepatitis B. So I would say wait till the baby is 12 years old and formed and take hepatitis B,” Trump said. The CDC estimates 2.4 million people in the U.S. have hepatitis B and half do not know they are infected. “The notion that hepatitis B is only confined to transmission for prostitutes, drug users, etc. While parents may opt out of the shots, many day care centers and school districts require proof of hepatitis B vaccination for enrollment.