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
Sutton and Cheam 1958
[Report of the Medical Officer of Health for Sutton and Cheam]
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{21 Test Baiting (1958-1959)
The Borough was divided into five section,s as in previous
tests and a test baiting of i0% of the soil-sewer manholes in
areas previously cleared or thought not to be Infested was carried
out during the month of August
All the manholes baited were checked three days after the baits had been deposited with the following results:-
| SECTIONS | ||||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | TOTAL | |
| Number of manholes baited | 13 | i9 | 50 | 66 | 32 | 180 |
| Complete bait takes | 1 | - | 12 | 18 | 4 | 35 |
| Partial bait takes | - | 1 | 5 | 3 | - | 9 |
| Baits not taken | 11 | 17 | 30 | 42 | 28 | 128 |
| Baits washed off | 1 | 1 | 3 | 3 | - | 8 |
(3) Treatment No 25 - First Maintenance Treatment {1958-1959)
This treatment was confined to the sections known to have
been nfested during the previous maintenance treatment together
with sections proved to be nfested by the annual 10% Test, and
operations were completed on the 18th October, 1958
Prebaltlng with damped sausage rusks with 0.25% of paranltrophenol
added as a bait preservative was carried out on the
first and fifth days,, and the same bait base with 2% Antu added
was laid on the tenth day
The following is a tabulated summary of the results achieved:-
| SECTIONS | ||||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | TOTAL | |
| Number of manholes prebalted | 14 | 4 | 109 | 127 | 61 | 315 |
| Complete prebalt takes | 3 | - | 32 | 35 | 37 | 107 |
| Partial prebalt takes | 1 | - | 3 | 3 | 3 | 10 |
| Percentage of takes (C, and P. | 28 28.6 | - | 32.1 | 29.9 | 65.6 | 37.1 |
| Number of manholes poison baited | 10 | - | 36 | 41 | 40 | 127 |
The number of prebalt takes shows a decrease of 5, 8% on the
previous maintenance treatment
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