M Van Tiunen

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During the screening and vaccination program for hepatitis B in state institutions for mentally retarded individuals, 7,273 staff and clients were screened. Of these, 1,561 persons (21.5%) had at least one marker. Of this number, 95.5% (N = 1,491) were positive for anti-HBc, and 77.8% (N = 1,214), for anti-HBs. Screening prior to vaccination, at a cost per(More)
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