London's Pulse: Medical Officer of Health reports 1848-1972

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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London

Shoreditch 1948

[Report of the Medical Officer of Health for Shoreditch]

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43,

Table: 38 samples were submitted to the methylene blue test with results as follows :-

38 samples were submitted to the methylene blue test with results as follows :-

Grade 1 16
" 28
" 36
" 4 8

Table: 15 samples were examined for B5 Coli with the following resultss-

15 samples were examined for B5 Coli with the following resultss-

Absent in 1 0-ml.Present in 1,0-ml.Present in 0»1-ml.Present in 0«01-ml.Present in CUOOl-ml,Present in 0,0001-mL,Present in 0800001~ml.
131mm1--mm

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Warning letters were sent to the makers of sub-standard samples,
and subsequent inspections and tests showed greatly improved quality
in the products.