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 London, City of ]
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Summary 1A
CORPORATION OF LONDON.
PERIODICAL TREATMENT FOR THE DESTRUCTION OF RATS IN SEWERS.
Summary of 4 Poison Treatments after Two Day Pre-Bait, May, 1949-Dec., 1950.
May, 1949. | Dec., 1949. | May, 1950. | Dec., 1950. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sector | Entrances Baited | Pre-Bait Takes | Poison Takes | No Takes | Entrances Baited | Pre-Bait Takes | Poison Takes | No Takes | Entrances Baited | Pre-Bait Takes | Poison Takes | No Takes | Entrances Baited | Pre-Bait Takes | Poison Takes | No Takes |
1 | 62 | 34 | 25 | 9 | 60 | 25 | 15 | 10 | 60 | 25 | 23 | 2 | 63 | 36 | 22 | 14 |
2 | 55 | 28 | 14 | 14 | 58 | 31 | 9 | 22 | 56 | 37 | 20 | 17 | 56 | 36 | 21 | 15 |
3 | 60 | 19 | 8 | 11 | 58 | 15 | 6 | 9 | 56 | 26 | 16 | 10 | 58 | 28 | 16 | 12 |
4 | 59 | 26 | 24 | 2 | 61 | 27 | 23 | 4 | 58 | 34 | 28 | 6 | 60 | 27 | 25 | 2 |
5 | 59 | 28 | 15 | 13 | 65 | 20 | 9 | 11 | 62 | 27 | 14 | 13 | 60 | 30 | 15 | 15 |
6 | 55 | 19 | 19 | 59 | 24 | 23 | 1 | 58 | 31 | 28 | 3 | 60 | 35 | 28 | 7 | |
7 | 67 | 28 | 21 | 7 | 65 | 28 | 24 | 4 | 65 | 33 | 29 | 4 | 66 | 33 | 26 | 7 |
417 | 182 | 126 | 56 | 426 | 170 | 109 | 61 | 415 | 213 | 158 | 55 | 423 | 225 | 153 | 72 |