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Dive into the research topics where Morris F. Shaffer is active.

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Featured researches published by Morris F. Shaffer.


Journal of Clinical Investigation | 1938

THE EFFECT OF ARTIFICIAL FEVER AND SPECIFIC ANTISERUM ON THE ORGANISMS PRESENT IN CASES OF TYPE III PNEUMOCOCCUS MENINGITIS

Morris F. Shaffer; John F. Enders; James M. Wilson

One of the very serious problems encountered in pediatric practice is that of the treatment of pneumococcal meningitis. The significance of this statement is emphasized by an examination of the records and statistics concerning the cases of meningitis observed over a ten-year period in a hospital such as the Childrens Hospital at Boston. During 1926 to 1936 there occurred 114 cases of meningococcus meningitis with 41 deaths and 73 recoveries, 96 cases of H. influenzae meningitis with 92 deaths and 4 recoveries, and 74 cases of pneumococcus meningitis with 73 deaths and 1 recovery. Of these 284 cases, 26 per cent were attributable to pneumococcus infection, and the mortality in this group was over 98 per cent. An analysis of these pneumococcal infections showed that the distribution according to type was as follows:


Journal of Experimental Medicine | 1936

STUDIES ON NATURAL IMMUNITY TO PNEUMOCOCCUS TYPE III : I. THE CAPACITY OF STRAINS OF PNEUMOCOCCUS TYPE III TO GROW AT 41°C. AND THEIR VIRULENCE FOR RABBITS

John F. Enders; Morris F. Shaffer


Journal of Experimental Medicine | 1936

STUDIES ON NATURAL IMMUNITY TO PNEUMOCOCCUS TYPE III : II. CERTAIN DISTINGUISHING PROPERTIES OF TWO STRAINS OF PNEUMOCOCCUS TYPE III VARYING IN THEIR VIRULENCE FOR RABBITS, AND THE REAPPEARANCE OF THESE PROPERTIES FOLLOWING R-->S RECONVERSION OF THEIR RESPECTIVE ROUGH DERIVATIVES.

Morris F. Shaffer; John F. Enders; Chao-Jen Wu


Journal of Experimental Medicine | 1936

STUDIES ON NATURAL IMMUNITY TO PNEUMOCOCCUS TYPE III : III. CORRELATION OF THE BEHAVIOR IN VIVO OF PNEUMOCOCCI TYPE III VARYING IN THEIR VIRULENCE FOR RABBITS WITH CERTAIN DIFFERENCES OBSERVED IN VITRO.

John F. Enders; Morris F. Shaffer; Chao-Jen Wu


Journal of Experimental Medicine | 1939

THE PASSAGE OF PROTEINS FROM THE VASCULAR SYSTEM INTO JOINTS AND CERTAIN OTHER BODY CAVITIES.

Granville A. Bennett; Morris F. Shaffer


Journal of Experimental Medicine | 1939

THE PASSAGE OF TYPE III RABBIT VIRULENT PNEUMOCOCCI FROM THE VASCULAR SYSTEM INTO JOINTS AND CERTAIN OTHER BODY CAVITIES.

Morris F. Shaffer; Granville A. Bennett


Journal of Immunology | 1939

Quantitative Studies on the Infectivity of the Virus of Herpes Simplex for the Chorioallantoic Membrane of the Chick Embryo, Together with Observations on the Inactivation of the Virus by Its Specific Antiserum

Morris F. Shaffer; John F. Enders


Journal of Experimental Medicine | 1935

THE EMIGRATION OF PNEUMOCOCCI TYPE III FROM THE BLOOD INTO THE THORACIC DUCT LYMPH OF RABBITS, AND THE SURVIVAL OF THESE ORGANISMS IN THE LYMPH FOLLOWING INTRAVENOUS INJECTION OF SPECIFIC ANTISERUM

Cecil K. Drinker; John F. Enders; Morris F. Shaffer; Octa C. Leigh


Journal of Experimental Medicine | 1936

STUDIES ON NATURAL IMMUNITY TO PNEUMOCOCCUS TYPE III : IV. OBSERVATIONS ON A NON-TYPE SPECIFIC HUMORAL FACTOR INVOLVED IN RESISTANCE TO PNEUMOCOCCUS TYPE III.

John F. Enders; Chao-Jen Wu; Morris F. Shaffer


Journal of Immunology | 1937

Behavior Exhibited by Mixtures of Pneumococcus Type III and Homologous Antiserum, Analogous to That Described for Similar Associations of Virus and Antiviral Serum

John F. Enders; Morris F. Shaffer

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James M. Wilson

University of Pennsylvania

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