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
indicating date of occurrence of the rash in cases of Smallpox in large common -lodging
houses (those having some 200 or nwre inmates ) try wtu'ctv 6 or more easels of Smalpox
occurred bel ween Oct 20th 1901 and June 23rd190Z.