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
Enfield 1966
[Report of the Medical Officer of Health for Enfield]
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PREVALENCE AND CONTROL OF INFECTIOUS DISEASE
Public Health Laboratory Service
Clinical and Environmental Specimens — Findings
| Type of Specimen | Number of Specimens Submitted | Findings | Number of Positives | *%of Positives | ||
|---|---|---|---|---|---|---|
| by Local Authority | by General Practitioners | Total | ||||
| Nose and throat swabs | 45 | 977 | 1,022 | Group A haemolytic streptococci | 69 | 6.0 |
| (Approx. 45% from new cases) | ||||||
| Faeces, general | 611 | 2,284 | 2,895 | Sonnei dysentery | 146 | 5.0 |
| (Approx. 35 % from new cases) | Salmonellosis | 74 | 2.5 | |||
| Infantile gastro-enteritis coli | 23 | 0.8 | ||||
| Giardiasis | 29 | 1.0 | ||||
| Helminths | 5 | 0.2 | ||||
| Faeces, occult blood | — | 372 | 372 | Blood | 28 | 7.5 |
| Kahn tests | 112 | 34 | 146 | Gonorrhoea | — | 0.0 |
| Milk | 268 | — | 268 | Failed Methylene Blue Test | 1 | 0.4 |
| Water | † 41 | — | 41 | Faecal coli found | 2 | 4.9 |
| Food | 52 | — | 52 | Pathogenic organisms found | — | 0.0 |
| Ice-cream | 28 | — | 28 | Failed Methylene Blue Test | 2 | 7.1 |
| * These figures indicate % positives of the total specimens sent including screening and follow-up. † Includes 29 samples taken from swimming baths. | ||||||