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 Lewisham Borough]
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CHART C.
Showing Weekly Notifications of all Infectious Diseases and of Scarlet Fever and
Diphtheria, during: the year 1911.
REFERENCES.
Total Notifications shown in Black
Scarlet Fever „ „ „ Red
Diphtheria „ „ „ Green
School Holidays shown thus