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A BACTERIOLOGIC STUDY

NORMAN PLUMMER, M.D.; ANTOINETTE RAIA, M.D.; SELMA SHULTZ, A.B.

Am J Dis Child. 1930;40(3):557-568.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The designation of the miscellaneous group of pneumococci as type IV has led to considerable misconception as to the real nature of these micro-organisms. It is difficult for those who are not intimate with this classification to realize that the so-called type IV is not a specific type in the sense that the three fixed types are specific, but that it is merely a term used to cover all the remaining strains that do not fall into types I, II or III. It has long been known that type IV pneumococci were amenable to further and more accurate classification; indeed, several observers (Olmstead,¹ Clough² and Robinson³) have conducted investigations along this line.

In a recently published article, Cooper, Edwards and Rosenstein,⁴ who were working in the general investigation of pneumonia under the direction of Dr. Park, have reported ten distinct immunologic types obtained from the group . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

From the Second (Cornell) Medical Division and the Children's Medical Division (Columbia University, College of Physicians and Surgeons) and the Pathological Department, Bellevue Hospital.

Footnotes
Submitted for publication, March 24, 1930.

This work also received important financial aid from the Metropolitan Life Insurance Company's Influenza Commission Fund and from the New York University Commonwealth Pneumonia Fund.

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