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sprayed over all affected surfaces, the Kerosene evaporates and leaves a
line deposit of D.D.T. crystals which remain as a lethal film.
This insecticide has been used with success in dealing with complaints
of bugs, cockroaches, flies, silverfish and crickets. In cases where powder
is more suitable for use than a Kerosene spray, " Gammexane " is
employed.
The following is a record of the work carried out by the Disinfecting
Staff during 1947 :—
Number of houses or parts of houses and contents dis¬infected
876
,, verminous rooms disinfested 430
Cleansing and Disinfection of Verminous Persons and their
Belongings.
Early in the year the London County Council decided to vary the agree¬ment
for the use of the Cleansing Centre at the Public Health Station
and to provide for a partial resumption of the County Council's use of
the Centre. Arrangements were accordingly made for the centre to be
reserved for the treatment of London County Council school pupils
on two successive afternoons, and this arrangement commenced at the
end of April.
It was also agreed that the London County Council school nursing
sister would assist in the treatment of any parents and children of
pre-school age, of the same families as school pupils.
During the period April to December, the following treatments were
carried out at the School Centre :—
Verminous conditions :—
No. of school children treated 29
No. of treatments given 56
No. of pre-school children treated 2
No. of treatments given 3
Scabies :—
No. of school children treated 12
No. of treatments given 40
No. of pre-school children treated 4
No. of treatments given 7
In addition, 17 Hampstead school children were treated at London
County Council Cleansing Stations outside the Borough.
The following cleansings and medicinal baths were carried out at the
Borough Council Cleansing Centre, during the year, where 76 adults
and 12 children received treatment :—
Verminous conditions :—
Adults 13
Children under 5 2
over 5 1
Scabies :—
Adults 228
Children under 5 21
„ over 5 3
During the year, 430 verminous rooms in 202 houses were cleansed
and freed from vermin.