The studies on the pneumococcus under the auspices of the Medical Commission for the Investigation of the Acute Respiratory Diseases of the Department of Health of the City of New York1 have resulted in valuable contributions to our knowledge of methods of identifying the pneumococcus, of differentiating it from the streptococcus and other simulating or closely related organisms and of its distribution and viability under various conditions.
The method adopted by the commission was, first, to secure the co-operation of twenty bacteriologists in various cities who made independent studies along the lines suggested, and, second, to establish a central laboratory or "clearing house," to which, ultimately, cultures from the various independent workers were sent for comparative study under a single group of observers. The birth of this species of organized "control" work will be hailed with delight by all who appreciate the susceptibility of an individual to error. And
SUPPLEMENTARY COMMENTS ON THE RECENT WORK ON THE PNEUMOCOCCUS.. JAMA. 1905;XLV(16):1168–1169. doi:10.1001/jama.1905.02510160042005
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