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 Croydon]
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69
The process of acquisition of natural immunity seems definitely
to gather speed in children over 7 yearn of age. This is due, so far
as can be ascertained to the effects of numeral doses of infection
j-eceived through contact with carriers. It is an uncontrolled and
risky method of acquiring immunity as such immunity may be
Obtained only by an attack of Diphtheria, with its attendant
dangers.
Under Treatment 1/1/38. | Received T.A.M. | Received T.A.F. | Received A.P.T. | Defaulted | Given Primary Schick Test 1938. | No. Pos. | % Pos. | No. not given Primary Schick. | Total new cases 1938. | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
511 | 461 | 6 | 41 | 3 | 1208 | 832 | 69 | 353 | 1541 | |||||||
No. 1938 cases completed treatment. | Received T.A.M | Received T.A.F. | Received A.T.P. | No. given Posterior Schick. | No. negative on Post. Schick. | % negative on Post. Schick. | Total cases : attended 1938. | Under treatment 31/12/38 | Defaulted or left district. | |||||||
644 | 351 | 49 | 244 | 1152 | 1140 | 98.9 | 2049 | 497 | 24 |
Year. | Total attended for treatment. | New cases attended. | No. of sessions held. | Av. attend per session. | No. given Primary Schick. | % Pos. on Primary Schick. | No. given Posterior Schick. | No. Neg. on Posterior Schick. | % Neg. on Posterior Schick. | No.com-pleted treatm't Schick neg. |
---|---|---|---|---|---|---|---|---|---|---|
1934 | 509 | 509 | ... | 36 | 389 | ... | 185 | ... | ... | 185 |
1935 | 1431 | 1151 | 97 | 58 | 634 | 76 | 781 | 766 | 98.8 | 781 |
1936 | 2285 | 1661 | 145 | 61 | 1215 | 78 | 1264 | 1254 | 99.2 | 1264 |
1937 | 1894 | 1286 | 122 | 58 | 1017 | 86 | 1222 | 1215 | 99.5 | 1222 |
1938 | 2049 | 1541 | 115 | 56 | 1208 | 69 | 1152 | 1140 | 98.9 | 1152 |