Incidence of Hepatitis B in Norway Among People Who Inject Drugs
"In the period 1995–2008, a considerable increase in hepatitis B among drug users nationwide was reported to MSIS. In 2013, four of a total of 30 reported cases of acute hepatitis B involved injecting drug users. During the period 1995–2013, the total number of reported cases of acute hepatitis B infection among injecting drug users was 1,980. Hepatitis B vaccination has been offered free of charge to injecting drug users since the mid-1980s."