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Viral Hepatitis in Israel

Follow‐up of 1,754 transfused persons and 1,659 nontransfused patients at two hospitals in Israel revealed 13 cases of icteric hepatitis, all among transfusion recipients. Factors influencing attack rate were number of units administered and age (but not sex) of the recipient. Interview of 47 donors to cases and 248 donors to non‐cases indicated an increased risk to patients receiving blood from individuals with a past history of jaundice, from those with a history of transfusion, and from persons born in North Africa.