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

Walthamstow 1952

[Report of the Medical Officer of Health for Walthamstow]

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35
A session is held one afternoon a week and forty-nine
employees presented themselves for the purpose of having blood
specimens taken by the Medical Officer of Health.
No "Carriers "were found during the period under review.
Bacterial Quality and Grading of Ice Cream.
One hundred and twenty-six samples were submitted for
bacteriological examination and for grading in accordance with
the provisional test of the Ministry of Health.

Table: The following summary gives the comparative results as between the old standard test and the new (provisional) test. Grades I and II of the latter are considered satisfactory.

The following summary gives the comparative results as between the old standard test and the new (provisional) test. Grades I and II of the latter are considered satisfactory.

Plate CountColiform Reaction (in 1/10 ml.)Bacterium Coli (in 1/10 ml.)Very SatisfactoryPassableNot PassableMethylene Blue Reduction TimeTest Grade
400--XNot in 4 hrs.I
4,000--X4 „I
500--X„ 4 „I
5,000--X„ 4 „I
1,000--X„ 4 „I
9,000--X„ 4 „I
2,000--X„ 4 „I
4,500--X„ 4 „I
1,400--X„ 4 „I
1,200--X„ 4 „I
3,800--X„ 4 „I
7,000x1 tube-X„ 4 „I
900--X„ 4 „I
2,800--X„ 4 ,,I
4,600--X„ 4 „I
2,500--X„ 4 „I
800--X„ 4 „I
2,000xl tube-X„ 4 „I
6,000--X„ 4 „I
200--X„ 4 „I
400--X„ 4 „I
2,800--X„ 4 „I
1,800--X„ 4 „I
3,200--X„ 4 „I
9,000--X„ 4 „I
400--X„ 4 „I
100--X„ 4 „I
1,00xl tube-X„ 4 „I
500--X„ 4 „I
100--X„ 4 „I
3,500--X„ 4 „I
6,500--X„ 4 „I
4,400x2 tubes-X„ 4 „I
1,600_-X„ 4„I
8,000--X„ 4 ,,I
3,800xl tube-X„ 4 „I
300--X„ 4 „I
1,800--X„ 4 „I
1,600--X„ 4 „I
300--X„ 4 „I
2,500--X„ 4 „I