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 Erith]
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28
INCIDENCE OF TUBERCULOUS DISEASE
AMONGST THOSE NOT PREVIOUSLY X-RAYED
Total NOT Tuberculous cases -Tuberculous cases
previously X-rayed requiring close supervision requiring occasional
or treatment supervision
16,040 44 86
(incidence of 2.7 per 1,000) (incidence of 5.4 per 1,000)