Report of the Medical Commission for the Investigation of Acute Respiratory Diseases of the Department of Health of the city of New York.

  • Medical Commission for the Investigation of Acute Respiratory Diseases.
Date:
[1905?]
Catalogue details

Licence: Public Domain Mark

Credit: Report of the Medical Commission for the Investigation of Acute Respiratory Diseases of the Department of Health of the city of New York. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    abtindantly in close association with the pneumococcus. Re- peated platings generally had to be made before a pure culture of the pneumococcus could be obtained in these cases. TABLE III. SHOWING NUMBER OF CASES STUDIED AND NUMBER IN WHICH PNEUMOCOCCI WERE FOUND. Groups. Subdivisions. Number of Cases. Pneumo- cocci not Isolated. Pneumococci Isolated. Atypical. Typical. Normal. Research Laboratory.. . Bellevue Students Saranac Lake 3 lO 28 S I 9 6 4 7 5 2 3 2 15 3 2 3 2 I 3 4 2 I 7 11 Sea Breeze 2 Tarrytown I Foundling Hospital . . . Briarcliff 7 3 Hyde Park Millbrook 5 4 Newburgh Babies' Hospital Pneumonia. Lobar- 53 21 4 5 5 2 45 14 Broncho- Colds. IS 5 10 Miscellaneous. Measles 3 5 5 5 2 I I I 3 I I 3 I 3 3 4 2 I I I I 2 Scarlet-fever 2 Tuberculosis 2 Pertussis I Influenza Pleurisy I Typhoid Mastoiditis I Synovitis 2 Meningitis I CEdema of Lungs Empyema 2 COMPARISON OF STRAINS. Morphological and Cultural Characteristics.—We have divided the pure cultures of pneumococci obtained into two broad groups according to their morphological and cultural character- istics. The first group is composed of typical pneumococci and the second of atypical ones. By typical pneumococci we mean cocci which (i) under cer- tain more or less constant cultural conditions occur prin- cipally in slightly elongated and pointed twos with broader ends