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 Heston and Isleworth]
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An analysis of figures and facts emerging from the total work performed in this area up to
the present time is appended.
(January, 1939 to 31st December, 1932).
SCHICK TEST RESULTS.
| Age. | Negative. | Positive. | % Negative. | Total. |
|---|---|---|---|---|
| 1 | 2 | 190 | 1.04 | 192 |
| 2 | 6 | 169 | 3.42 | 175 |
| 3 | 9 | 178 | 4.81 | 187 |
| 4 | 20 | 207 | 8.81 | 227 |
| 5 | 46 | 436 | 9.54 | 482 |
| 6 | 47 | 392 | 10.7 | 439 |
| 7 | 64 | 347 | 15.5 | 411 |
| 8 | 83 | 328 | 20.1 | 411 |
| 9 | 113 | 311 | 26.6 | 424 |
| 10 | 101 | 268 | 27.3 | 369 |
| 11 | 61 | 140 | 30.3 | 201 |
| 12 | 49 | 92 | 34.7 | 141 |
| 13 & over | 58 | 107 | 35.1 | 165 |
| Total | 659 | 3165 | Av.% 17.2 | 3824 |
Results of Schick tests up to and including 5 years of age.
Total cases1263 Positive 1180 Negative 83 % immune 7
From 6 years to 10 inclusive.
Total cases 2054 Positive 1646 Negative 408 % immune 19.8
From 11 to adult life.
Total cases 507 Positive 339 Negative 168 % immune 33.1
Confirmation of Natural Schick Negatives.
Of 570 natural Schick neg. cases confirmatory tests were done at a later date on 141.
Of these 137 were again negative and 4 were positive. This shows a degree of reversion from
Schick — ve to Schick + of 2.8%.
Actual Number of Children who Attended Clinic.
| 5 years and under | 1263 |
| 6 years to 10 inclusive | 2054 |
| 11 to adult life | 507 |
| 3824 | |
| Total cases actively immunised | 2598 |
| „ „ naturally immune | 659 |
| Total certificates issued to date | 3257 |