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

Croydon 1938

[Report of the Medical Officer of Health for Croydon]

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88
Examinations Done Under National Health Insurance Act.

Table: Table XYI.

Table XYI.

Nature of Examination.Nature of Examination.
Pus for Gonococci14 (3 pos.)Urine for Chemical Exam1
Pus for other organisms18Urine for Microscopal Exam.1
Pus for Tubercle B.16Urine for Tubercle B.1
Blood for Wassermann5 (1 pos.)Urine for Cultural Exam.1
Complete Blood Counts7Other Examinations1

Table: Bacteriological Examination of Milk.Table XYII.

Bacteriological Examination of Milk.

Table XYII.

Number of Samples submitted for Counts480
Number under 10,000 per cc217
Number over 10,000 but under 50,000 per cc170
Over 50,000 but under 100,000 per cc.24
Over 100,000 but under 500,000 per cc47
Over 500,000 but under 1,000,000 per cc5
Over 1,000,000 per cc17
Tubercle Bacilli—
Number of samples of milk submitted498
Number found positive by inoculation test9
The number of milk examinations decreased by5

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There are 52 samples still under investigation for Tubercle
Bacilli.
Milk Samples
480 milk samples submitted to the Methylene Blue Test, oi
which 48 failed to satisfy. Of these 9 were further investigated
and found satisfactory to the Bacillus Coli test.
We are not satisfied that the Methylene Blue Test has any
advantage over the old method of plate counts and some of the
results obtained are anomalous.