London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1914

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

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35
Milk is regarded, and rightly regarded, as a possible medium for the spread of
Tuberculosis, and all possible steps should be taken to ensure that consumption of this
important article of diet is unattended by risk.
The main objects of the enquiry were to ascertain:—
(1) Whether the milk was clean,
(2) Whether it was free from pathogenic bacteria, especially the tubercle
bacillus, and
(3) Whether water had been added or cream abstracted.
The samples were sent to the City Bacteriologist, Dr. F. W. Andrewes, for
bacteriological examination, and to the City Analyst, Dr. Teed, for chemical analysis.
The Bacteriologist's report upon the question of cleanliness and pathogenicity is
as follows:—

Report on Samples of Milk (taken at Railway Stations) as regards Dirt and Tubercle B acilli. October and N ovember, 1914.

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.
1CleanOct. 16Killed Nor. 23NormalNegative.
2CleanKilled Nov. 23NormalNegative.
3CleanKilled Nov. 23Local abscess at point of inoculation, swarming with tubercle bacilli. Local glandular infection. Tubercles in liver and spleen.Positive.
4CleanKilled Nov. 25NormalNegative.
5CleanKilled Nov. 25NormalNegative.
6CleanKilled Nov. 25NormalNegative.
7CleanOct. 21Killed Nov. 26Small local residual abscess, with no tubercle bacilli. Regional lymph glands normal. No visceral tubercle.Negative.
8CleanKilled Nov. 26Normal at site of inoculation. A small whitish nodule at lower pole of spleen, not like tubercle. No tubercle bacilli found.Negative.
9CleanKilled Nov. 26NormalNegative.
10CleanKilled Nov. 27NormalNegative.
11CleanKilled Nov. 27NormalNegative.
12CleanKilled Nov. 27NormalNegative.
13CleanOct. 23Killed Nov. 30NormalNegative.
14CleanKilled Nov. 30NormalNegative.
15CleanKilled Nov. 30NormalNegative.
16CleanKilled Dec. 1NormalNegative.
17CleanKilled Dec. 1NormalNegative.
18CleanKilled Dec. 1NormalNegative.
19CleanOct. 28Killed Dec. 3NormalNegative.
20CleanKilled Dec. 3NormalNegative.