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 Surbiton]
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In December an annual test baiting of the Corporation's sewers was carried out, the results being as follows:-
Area | No. Manholes test baited | No.of Manholes showing partial takes of pre-bait | No.of Manholes showing complete takes of pre-bait | No. of manholes showing no takes of pre-bait |
---|---|---|---|---|
1 | 8 | Nil | Nil | 8 |
2 | 13 | „ | 5 | 8 |
3 | 12 | „ | 4 | 8 |
4 | 21 | „ | Nil | 21 |
5 | 11 | „ | „ | 11 |
6 | 34 | „ | 1 | 33 |
7 | 9 | „ | Nil | 9 |
8 | 25 | „ | „ | 25 |
9 | 27 | „ | 3 | 24 |
160 | Nil | 13 | 147 |
This may be considered as satisfactory because with the exception of area 2, the majority of the
remaining infested lengths of sewer are fresh infestations, those previously treated not being re-infested.
38.