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
Dagenham 1930
[Report of the Medical Officer of Health for Dagenham]
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The next four intervals of six months each have a factor of two :—
| 1 mth. | 2—4 mths. | 6 mths. | 1 year. | 18 mths. | 2 years. | 3 years. | 4 years. | 5 years. | 6 years | |
|---|---|---|---|---|---|---|---|---|---|---|
| Factor | 12 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | |
| Diphtheria | 150 | 104 | 140 | 100 | 74 | 108 | 54 | 30 | 18 | 3 |
| Scarlet Fever | 84 | 164 | 206 | 130 | 110 | 172 | 82 | 50 | 58 | - |
These results are shown graphically on graph II.