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
Croydon 1948
[Report of the Medical Officer of Health for Croydon]
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Heat Treated Milk.
| Present. | Absent. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. | Not satisfied. | Satisfied. | Not satisfied. | Satisfied. | |
| Tubercle bacillus ...... | — | 57 | — | _ | _ | _ | — | _ | _. | _ | _ | __ |
| Blood ............ | — | — | — | 57 | ||||||||
| Pus ............ | — | — | — | — | — | 57 | ||||||
| Detritus ......... | — | — | — | — | — | — | — | 57 | — | — | — | — |
| Methylene Blue Test...... | — | — | — | — | — | — | — | — | 7 | 50 | — | — |
| Phosphatase Test ...... | 3 | 54 | ||||||||||
| Totals ...... | — | 57 | — | 57 | — | 57 | — | 57 | 7 | 50 | 3 | 54 |
ORDINARY MILK.
The following table summarises the results of the bacteriological
examination of Ordinary Milk samples, taken from 1st
January—31st December, 1948 : —
Ordinary Milk.
| Present. | Absent. | Over 100,000 per M.I. | Under 100,000 per M.I. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. | Not satisfied | Satisfied, | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus | — | 48 | — | — | — | — | — | — | — | — | — | — |
| Total number of bacteria | — | — | 5 | 43 | — | — | — | — | — | — | — | — |
| Blood | — | — | — | — | — | 48 | — | — | — | — | — | — |
| Pus | — | — | — | -- | — | — | — | 48 | — | — | — | — |
| Detritus | — | — | — | — | — | — | — | — | — | 43 | — | — |
| Methylene Blue Test | — | — | — | — | — | — | — | — | — | — | 3 | 45 |
| Totals | — | 48 | 5 | 43 | — | 48 | — | 48 | — | 48 | 3 | 45 |