Contents Issue 2 December 1993 Volume 1, Issue 2 , 1993 View pdf Surveillance system in Saudi Arabia A new line of defense against disease What an epidemiology unit does HBV vaccine program: a success story Sterile thigh abscesses at vaccination site Wafa Ahmed AlDajani Hepatitis C infection in dialysis patient Mohammed Said Al-Gahtani National Cancer Registry is established in Kingdom Notice to contributors