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 1945
[Report of the Medical Officer of Health for West Ham]
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All samples satisfied the phosphatase test.
| Grade | Number sampled | Results of Examination | |||
|---|---|---|---|---|---|
| Number satisfactory | Unsatisfactory | ||||
| Contained excessive bacteria | Failed methylene blue test | Failed Methylene blue test and contained excessive bacteria | |||
| Pasteurised | 98 | 90 | 1 | 1 | 6 |
| Pasteurised (from schools) | 70 | 57 | 5 | 1 | 7 |
| Tuberculin Tested (Pasteurised) | 30 | 27 | 1 | 1 | 1 |
| Contained coliform bacillus | Failed methylene blue test and contained coliform bacillus | ||||
| Tuberculin Tested (Certified) | 43 | 40 | 2 | 1 | — |
| Accredited | 22 | 19 | 2 | — | 1 |
| Totals | 263 | 233 | 11 | 4 | 15 |
HEAT-TREATED MILK. In addition to designated milk,
the following samples of heat-treated milk were submitted to the
appropriate tests.
All samples satisfied the phosphatase test.
| Type | Number sampled | Results of Examination | |
|---|---|---|---|
| Number satisfactory | Failed methylene blue test | ||
| Sterilised | 110 | 110 | — |
| Heat Treated | 109 | 98 | 11 |
| Homogenised | 12 | 12 | — |
| Totals | 231 | 220 | *11 |
*Letters of caution were sent.
EXAMINATION OF MILK FOR TUBERCULE
(GUINEA PIG TEST)
During the year 24 samples of milk, as shewn below, were
examined for the presence of the tubercule bacillus. All samples
proved negative.
18