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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The following is a summary of the several treatments carried out since disinfestation of sewers commenced in 1948:-
Date | Description | No.of manholes pre-baited | Takes of pre-bait | Takes of poison "bait. |
---|---|---|---|---|
April,1948 | 1st Initial treatment | 218 | 77 | 31 |
July,1948 | 2nd " " | 77 | 14 | 8 |
February,1949 | 1st Maintenance treatment | 80 | 49 | 10 |
July,1949 | 2nd " " | 71 | 20 | 7 |
March,1950 | 3rd " " | 58 | 41 | 21 |
July,1950 | 4th " " | 41 | 20 | 13 |
February,1951 | 5 th " " | 57 | 17 | 15 |
August,1951 | 6 th " | 35 | 14 | 6 |
Results of Initial and Annual Test Baiting:-
No.of manholes baited | Takes of bait | % of takes. | |
---|---|---|---|
Initial 1947/8 | 384 | 64 | 16.666 |
Second 1948 | 160 | 13 | 8.125 |
Third 1949 | 229 | 8 | 3.493 |
Fourth 1950 | 250 | 9 | 3.600 |
Fifth 1951 | 200 | 11 | 5.600 |
X These "areas" are just a convenient geographical division of the Borough for the
purposes of this work.
38.