Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Enfield]
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PREVALENCE AND CONTROL OF INFECTIOUS DISEASE
Type of Specimen | Number of Specimens submitted | Findings | Number of Positives | % of Positives | ||
---|---|---|---|---|---|---|
by Local Authority | by General Practitioners | Total | ||||
Nose and throat swabs | 700 | 1,200 | 1,900 | Group A haemolytic streptococci | i 290 | 15% |
Faeces, general | 5,651 | 1,884 | 7,535 | Sonnei dysentery | 505 | |
Salmonellosis | 16 | |||||
Infantile gastro-enteritis coli | 4 | 7% | ||||
Giardiasis | 24 | |||||
Salmonella typhi (known carrier) | 1 | |||||
Faeces, occult blood | 431 | — | 431 | Blood | 11 | 2.5% |
Kahn tests | 238 | — | 238 | Gonorrhoea | — | 0% |
Milk | 192 | — | 192 | 1 failed Methlylene Blue Test . | — | 0.52% |
Water | 9 | — | 9 | Nil | — | 0% |
Food | 9 | — | 9 | Nil | — | 0% |