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 II.
DIAGRAM shewing houses newly invaded by Scarlet Fever and supplied with milh
by certain retail vendors, all of whom obtained milh from the contractor,
Mr. X.
N.B.—The shaded portion of the diagram represents the period prior to the
stoppage of the infective milk.
Martin Hood & Larkin Lith,London,W.C.