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 Willesden]
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Table 26.
TABLE showing as h result of nearly 10,000 persons observed, the proportion who at different age periods had already Buffered from a previous attack of uieaslea.
Ages. 1 | No. observed. 2 | No. previously suffered. 3 | No. not previously suffered. 4 | Percentage previously suffered. 5 | Percentage not previously suffered. 6 |
---|---|---|---|---|---|
0—4 | 1,406 | 131 | 1,275 | 9.3 | 90.7 |
4—5 | 300 | 93 | 207 | 31.0 | 69.0 |
5—6 | 238 | 113 | 125 | 47.5 | 52.5 |
6—7 | 265 | 183 | 82 | 69.0 | 31.0 |
7—8 | 357 | 261 | 96 | 73.1 | 26.9 |
8-9 | 367 | 303 | 64 | 82.6 | 17.4 |
9—10 | 393 | 342 | 51 | 87.0 | 13.0 |
10—15 | 1,467 | 1,325 | 142 | 90.3 | 9.7 |
15— | 5,103 | 4,935 | 168 | 96.7 | 3.3 |
9,896 | 7,686 | 2,210 | 77.7 | 22.3 |