virus; hepatitis; hepatitis B; hep B; liver; blood; sexually transmitted infection; sexually; transmitted; disease; STD; STI; blood; rule; jaundice; immunise; immunisation; vaccine; vaccination; hepatitis C; hep c; hepatitis d;
Hepatitis B is an infection caused by the Hepatitis B virus (HBV), a virus that affects the liver. The hepatitis B virus can be passed on via the blood and through sexual contact. A blood test will show whether or not a person has hepatitis B.
The information on this site should not be used as an alternative to professional care. If you have a particular problem, see a doctor or other health professional.