[Report of the Medical Officer of Health for London, City of ] page 36

City of London 1914

[Report of the Medical Officer of Health for London, City of ]

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No. of Sample.	Presence of dirt.	Date of inoculation of guinea-pig.	Date of animal's death.	Condition found after death.	Result as regards presence of tubercle bacilli.
21	Clean	Oct. 28	Killed Dec. 3	Abscess at seat of inoculation, with tubercle bacilli in pus. Local and general glandular infection. Early tubercle in liver and spleen.	Positive.
22	Clean	„	Killed Dec. 4	Normal	Negative.
23	Clean	„	Killed Dec. 4	Local residual abscess, with a few cocci in pus, but no tubercle bacilli. Local lymph glands unaffected. Viscera normal.	Negative.
24	Clean	„	Died Nov. 5	Dead in 8 days of spreading gangrene, starting from point of inoculation. In the cheesy remains of the injected material, a few acidfast bacilli were found, resembling tubercle bacilli. A further sample of this milk was taken (No. 49), but proved negative.	Doubtfully positive.
25	Clean	Oct. 30	Killed Dec. 7	Normal	Negative.
26	Clean	„	Killed Dec. 7	Normal at seat of inoculation. Some tiny white specks in lung, liver and spleen. No tubercle bacilli found in them.	Negative.
27	Clean	„	Killed Dec. 7	Normal	Negative.
28	Clean	„	Killed Dec. 8	Normal	Negative.
29	Moderate amount of dirt.	„	Killed Dec. 8	Small residual local abscess at seat of inoculation. No tubercle bacilli found in pus. Lymph glands and viscera normal.	Negative.
30	Clean	„	Killed Dec. 8	Local abscess at point of inoculation, with tubercle bacilli in pus. Local lymph glands large and caseous. Liver and spleen full of tubercles.	Positive.
31	Clean	Nov. 4	Died Nov. 24	Died in 20 days, wasted, local abscess at point of inoculation, but no tubercle bacilli in pus. Lymph glands and viscera normal.	Negative.
32	Clean	„	Killed Dec. 9	Normal	Negative.
33	Clean	„	Killed Dec. 9	Normal	Negative.
34	Clean	„	Killed Dec. 10	Small tuberculous abscess at seat of inoculation. Tubercle bacilli found. Lymph glands caseous. Early tubercles in liver and spleen.	Positive.
35	Clean	„	Killed Dec. 10	Normal	Negative.
36	Clean	„	Killed Dec. 10	Normal	Negative.
37	Clean	Nov. 5	Killed Dec. 14	Local tuberculous abscess at seat of inoculation. Tubercle bacilli found. Lymph glands caseous. Early tubercles in liver and spleen.	Positive.
38	Clean	„	Killed Dec. 14	Normal	Negative.
39	Clean	„	Killed Dec. 14	Normal	Negative.
40	Clean	„	Killed Dec. 15	Normal	Negative.
41	Clean	„	Killed Dec. 15	Normal	Negative.
42	Clean	„	Killed Dec. 15	Normal	Negative.
43	Clean	Nov. 11	Killed Dec. 16	Normal	Negative.
44	Clean	„	Killed Dec. 16	Normal	Negative.
45	Clean	„	Killed Dec. 16	Normal	Negative.
46	Clean	„	Killed Dec. 17	Normal	Negative.
47	Clean	„	Killed Dec. 17	Normal	Negative.
48	Clean	„	Killed Dec. 17	Residual abscess at seat of inoculation. No tubercle bacilli found in pus. Glands and viscera normal. Animal well nourished. (Duplicate of No. 21.)	Negative.
49	Clean	Nov. 18	Killed Dec. 22	Normal	Negative.