1 on/under pain of death idiom. 2  a pain in the arse/backside idiom. 3  a pain in the ass/butt, at a pain in the arse/backside idiom.  a pain (in the neck) idiom.
In addition to the differences in replication method, transmission risk is higher with Hep B as it can be sexually transmitted, whereas generally not with Hep C. The large majority of adult patients exposed to Hep B clear it, whereas with Hep C adults who are exposed and clear are the minority.
Hepatitis B (also called hep B) is a virus that is found in blood and other body fluids including vaginal fluid, semen and breast milk. It is highly infectious and causes inflammation of the liver. Most adults, but not all, who become infected with hepatitis B are able to clear the virus without any problems.