London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
West Ham 1946
[Report of the Medical Officer of Health for West Ham]
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HEAT-TREATED MILK
In addition to designated milk, the following samples of heat-treated milk were submitted to the appropriate tests: —
| Type | Number Sampled | Results of Examination | ||
|---|---|---|---|---|
| Number Satisfactory | Failed Methylene Blue Test | Phosphatase Test | ||
| Sterilised | 120 | 114 | 6† | Satisfactory |
| Heat-Treated | 138 | 133 | 5† | Satisfactory |
| Homogenised | 17 | 14 | 2† | Satisfactory |
| 1† | ||||
| Totals | 275 | 261 | 14 | |
*Letters of caution sent
† Owing to abnormal atmospheric conditions, it was not
possible to carry out the methylene blue tests on these
samples, as the maximum recording thermometer exceeded
65 deg. F. during the night.
EXAMINATION OF MILK FOR TUBERCULE
(GUINEA PIG TEST)
During the year 42 samples of milk, as shewn below, were
examined for the presence of tubercule bacillus. All samples
proved negative.
BIOLOGICAL TESTS
| Type of Milk | Number Examined | Result | |
|---|---|---|---|
| Positive | Negative | ||
| 12 | - | 12 | |
| 1 | - | 1 | |
| 2 | — | 2 | |
| On delivery at institution | 3 | — | 3 |
| From schools | 5 | — | 5 |
| From retailer | 1 | — | 1 |
| Taken on delivery from various Producers at the premises of a Retailer | 18 | - | 18 |
| Totals | 42 | - | 42 |