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November 13, 1915


JAMA. 1915;LXV(20):1732-1733. doi:10.1001/jama.1915.02580200046017

The relation to infection of the affinity of bacteria for certain tissues was discussed recently in these columns.1 It was pointed out that many of the pathogenic bacteria in their localization manifest a special affinity for some particular tissue or tissues. This elective localization may be conceived to be due to the circumstance that the conditions for growth are more favorable in some tissues than in others. On account of differences in metabolism and chemical composition, there is no doubt that different tissues and places in the body present radically different conditions for bacterial growth and activity. It was pointed out, further, that the work of Forssner and especially the more recent work of Rosenow have established that among the streptococci, which have the power to invade many tissues and to cause a variety of infections, strains may appear which, when introduced into the blood, are found to localize