Bacteria-immune system interactions. II. Adherence of Acinetobacter calcoaceticus strains to human lymphocytes

Out of twenty-nine strains of Acinetobacter calcoaceticus (A. calcoaceticus) only eight adhered to lymphocytes. The percentage of lymphocytes labeled with bacteria varied from 5 to 70%. Most of the labeled lymphocytes had large numbers of bacteria attached to them. The variation in the percentages of lymphocytes labeled in various individuals was minimal.