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146
(7) Whilst the spraying of cracks and crevices may assist in keeping
down the nuisance, it should be realised that the bugs will not be
destroyed unless the vermicide is actually applied directly to
the bug. When treating a room in the early stage of infestation,
do not discontinue your efforts because you have not seen a bug
for a few days. Persevere with the treatment for some weeks,
for unless you have killed every one, the trouble will recur.
Constant perseverance and watchfulness is necessary.
If you find you are unable to deal with the infestation, application
for advice and assistance should be made to the Public Health Office,
Bow Road, E.3.
NOTE.—A form for fluid vermicide will be supplied on application to
the Public Health Office.
W. ALLAN YOUNG,
Medical Officer of Health.
Public Health Office,
Bow Road, E.3.
December, 1932.