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 Hillingdon]
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SECTION IV
Environmental Health
"If on inspection he finds the patch on the walls consists of
greenish or reddish depressions, apparently going deeper than the surface,
he shall go out of the house and, standing at the entrance,
shall put it in quarantine for seven days."—
Leviticus 14 v. 37 (New English Bible)