“…Four studies reported relevant hepatitis B outcomes. 29 , 32 , 36 , 37 In a study from England, 88 people attending pharmacies for OAT or Needle Syringe Program (NSP) services or by self-referral with risk factors were tested with DBS tests. 29 Of these, one (1.1%) participant tested positive for hepatitis B surface antigen and subsequently had spontaneous clearance.…”