London's Pulse: Medical Officer of Health reports 1848-1972

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Greenwich 1956

[Report of the Medical Officer of Health for Greenwich Borough.

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Baiting of Sewers.—The Borough Engineer has kindly supplied me with the undermentioned information of the treatments carried out in the Council's sewers in connection with the scheme:—

DetailsDate of Treatment
3rd Dec. to 21st Dec., 19564th June to 23rd June, 1956
1. No. of Manholes in foul and connected systems1,1861,183
2. Bait base and poison usedSausage rusk and zinc phosphideBread rusk and arsenious oxide
3. No. of Manholes baited1,1791,159
4. No. of Manholes showing prebait takes790756
5. No. of Manholes showing complete prebait take (on one or both days)343350
6. Schemes of baiting used (e.g.: consecutive days or 1st, 3rd and 5th days)Consecutive daysConsecutive days
7. No. of Manholes test-baited in conjunction with this treatment and not included in No. 3 aboveNilNil
Remarks: During the December treatment 21 manholes were che ked for poison " takes '' Result—12 'no takes ' 9 partial

It may be mentioned that the neighbouring Boroughs of Woolwich
and Lewisham took action at the same time aa Greenwich.
Anti-Fly and Anti-Mosquito Campaign.—During the summer
period, April to September, the campaign has continued on
similar lines to previous years. Three men ar-e employed in this
important preventive aspect of the Department's work consisting
of dealing with complaints and carrying out routino inspection and
treatment of sites where breeding may occur. A motor cycle with
a box sidecar is used to convey personnel and the necessary appliances
and materials.
The major factors to be controlled include house refuse contained
in the dust chutes and dustbins, food shops, cafes and canteens,
static water sites, ponds and ditches, etc.