“…We chose this method because staphylococcus pyogenes aureus is very frequently present in the air-passages of allergic persons and at the same time most often causes increased skin-reactions (15,16,21). Other authors too have observed the reciprocal influence of the allergic disposition of patients and their susceptibility to carrying staphylococci (2,6,7,12,14,18,19,20,26,30).…”