Hard to say: Since it has only been in wide use in the us since the mid 90's, we don't have enough long term data available to be sure.Most research suggests that completion of the two dose series will produce lifeling immmunity in >95% of recipients.
Answered 9/15/2013
4.9k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question