Hep B is the east researched in the Hepatitis family. To date, research insists that exchange of Already CONTAMINATED body fluids from needle exchange, some sex with some already contaminated, children born of moms with the active antigen are at risk of transmission during the birth period and few other things. Don't think your recent actions make you a candidate. A better source of info is available through St. Louis University Liver disease research program. (The Hep families ultimately end up hurting the liver.) There is a great and most informative Q&A format for your questions. Do give this University a look see to allay your fears.
Zero for all. Masterbation is very safe. The rubbing you did with your underwear on was very very safe.
please see the question above asked by me with the same subject...its upadated and sorry for the inconvenience..please help!