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Article
January 25, 1919

HEMOLYTIC STREPTOCOCCIA SEROLOGIC STUDY OF STRAINS ISOLATED DURING A RECENT EPIDEMIC AT CAMP WADSWORTH, S. C.: PRELIMINARY REPORT

Author Affiliations

Captain, M. C., U. S. Army; First Lieutenant, M. C., U. S. Army CAMP WADSWORTH, SPARTANBURG, S. C.

JAMA. 1919;72(4):272-274. doi:10.1001/jama.1919.02610040038015
Abstract

The experiments embodied in this report deal with cultural and serologic studies of hemolytic streptococci isolated in the recent epidemic of respiratory diseases at Camp Wadsworth, S. C. These cultures were obtained from (1) healthy carriers, (2) patients with acute bronchitis and (3) patients with bronchopneumonia, both from the sputum during the course of the disease and from the lungs and heart's blood at necropsy.

A study of the healthy carriers of hemolytic streptococci has been interesting. From June, 1918, to Oct. 1, 1918, when the number of cases of respiratory infections reached epidemic proportions, 21,000 throat cultures were taken from the various units in camp. Chart 1 shows the percentage of healthy carriers found. It will be seen that the curve shows a rather steady rise till the latter part of September, when it rose above 20 to 25 per cent., following which the number of cases of respiratory

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