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A BACTERIOLOGICAL STUDY OF THE UPPER RESPIRATORY TRACT IN NORMAL FAMILIES

Nose, throat and ear swabs were obtained from 138 persons in normal health from 56 families. Fifty‐one per cent of persons carried a potential pathogen in the nose, 30% in their throat and 25% in their ears; 63% of persons showed Staphylococcus aureus in one or more of the swabs. The incidence of pathogens was greatest in children, and was unrelated to the presence of respiratory symptoms.