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
Hampstead 1961
[Report of the Medical Officer of Health for Hampstead Borough]
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3,748. In five cases it was necessary to serve notices for the
partial or complete renewal of drainage systems. In all
instances the necessary work was done without resort to legal
proceedings.
Summary of Surface Treatment
| No. of properties inspected as a result of: | Local Authority | Dwellings (including Council properties) | All other (including business premises) | Total |
|---|---|---|---|---|
| Notification | — | 563 | 8 | 571 |
| Survey | — | 357 | — | 357 |
| Total inspections including re-inspections | — | 3,719 | 29 | 3,748 |
| No, of properties infested by: Rats | — | 205 | 5 | 210 |
| Mice | — | 358 | 3 | 361 |
Control of Rats in Sewers
I am indebted to the Borough Engineer and Surveyor for
particulars in regard to the control of rats in sewers.
In view of the disappointing results obtained with the use of
"Warfarin" suspended in manholes, as opposed to the more orthodox
system with the use of Zinc Phosphide and Arsenious Oxide, this
experiment was discontinued.
During the year two treatments were carried out as follows:-
| Date | No. of manholes baited | Poison used | Complete Takes | Partial Takes | Baiting Sequence |
|---|---|---|---|---|---|
| March | 735 | 2. 5% Zinc Phosphide | 36 | 114 | 1-4-8 |
| Oct/Nov. | 756 | 10% Arsenious Oxide | 5 | 135 | 1 -4-8 |