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 London County Council]
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Diagram VI
LONDON.
Diagram shewing for Smallpox, Measles and, Whooping Cough, the number of deaths at
ages 0-5, 5-20 and 20 and upwards per cent, of deaths at "All Ages in successive decennia.