i.v . drug abusers ( n = 99 ) , patients attending a vd clinic ( n = 390 ) , blood donors who visited central or west africa ( n = 573 ) , blood donors who had sexual contact with natives from central or west africa ( n = 38 ) , blood donors from surinam , south america ( n = 481 ) , individuals positive for anti-hiv-1 ( n = 94 ) , individuals with indeterminate hiv-1 western blot ( wb ) reactions ( n = 73 ) , african patients with aids or aids-related symptoms ( n = 30 ) , and random dutch blood donors ( n = 555 ) , was tested with hiv-2 elisa ( elavia-2 ) .
C0038944
surinam
C0037713
south america