338.
M 64
Antimalarial measures were carried out in many areas on the Island and mainland during 1938, and particular attention was given to the following amongst other places:-
(a) Work at the Shing Mun Dam was discontinued as the Camp was closed in 1937.
(b) A new area was opened up in May, 1938, at Lai Chi Kok for the protection of the Prison and the Cholera Hospital. Excellent results have been obtained. Control has been obtained as far as Sham Shui Po Barracks in the East and the Torpedo Boat Range in the West.
(c) Temporary measures formerly carried out by the Royal Air Force and supervised by the Bureau at Kai Tak and Pat Heung were entirely taken over by the Bureau on the 1st of October and the 1st of November.
(d) Extension of work in the existing areas under the control of the Bureau was carried out at North Point, Repulse Bay, Aberdeen, Queen Mary Hospital, Felix Villas, Kowloon Tong, Kai Tak and Lai Chi Kok. In these areas control was obtained over some additional 8,330 yards of stream drainage.
(e) Permanent antimalarial drainage was carried out by the training of 1,603 feet of stream channels at Aberdeen and 5,000 feet at Queen Mary Hospital site. In Kowloon 900 feet of stream training was done and 2,660 feet of subsoil drains were laid.
(f) An experimental flushing tank based on the design of De Villiers was erected at Mount Cameron. This worked admirably with the wet weather flow of water, but more work is needed to determine the suitability of having only one tank on account of the marked seasonal variation of rainfall which occurs in the Colony as compared with Malaya where the rainfall is spread more evenly over the year. It may prove necessary to have tanks with a different siphonage area for different flows of water.
(g) By the kind co-operation of the Commissioner of Prisons, prison labour was employed for the first time in Hong Kong outside the prison in training streams in the Stanley area under the supervision of the Malaria Bureau.
339. Mosquito nuisances were investigated at:—
(a) Barker Road, (b) Mount Cameron Road, (c) The Peak, (d) May Road, (e) Mount Davis, (f) Middle Island, (g) South Bay Island, (h) Cape Collinson, (i) Coombe Road, (j) Ming Yuen, (k) Prince Edward Road, (l) Kadoorie Avenue, (m) Cornwall Street, (n) Kent Road, (o) Minden Avenue, (p) Water Police Station, (q) Whampoa Dock Quarters, (r) Railway Quarters, Hunghom.
340. Teaching of Mosquitology.
(a) Demonstrations in collecting mosquito larvae and adults and instruction in the elements of malaria prevention were given to classes of Royal Army Medical Corps men.
(b) Classes for medical students of the Hong Kong University were held and demonstrations of antimalarial field work given.
(c) Lectures to probationer sanitary inspectors on mosquitology and prevention of malaria were delivered, and demonstrations on field work given.
338.
M 64
Antimalarial measures were carried out in many areas on the Island and mainland during 1938, and particular attention was given to the following amongst other places:-
(a) Work at the Shing Mun Dam was discontinued as the Camp was
closed in 1937.
(b) A new area was opened up in May, 1938, at Lai Chi Kok for the pro- tection of the Prison and the Cholera Hospital. Excellent results have been obtained. Control has been obtained as far as Sham Shui Po Barracks in the East and the Torpedo Boat Range in the West.
(c) Temporary measures formerly carried out by the Royal Air Force and supervised by the Bureau at Kai Tak and Pat Heung were entirely taken over by the Bureau on the 1st of October and the 1st of November.
(d) Extension of work in the existing areas under the control of the Bureau was carried out at North Point, Repulse Bay, Aberdeen, Queen Mary Hospital, Felix Villas, Kowloon Tong, Kai Tak and Lai Chi Kok. In these areas control was obtained over some additional 8,330 yards of stream drainage.
(e) Permanent antimalarial drainage was carried out by the training of 1,603 feet of stream channels at Aberdeen and 5,000 feet at Queen Mary Hospital site. In Kowloon 900 feet of stream training was done and 2,660 feet of subsoil drains were laid.
(f) An experimental flushing tank based on the design of De Villiers. was erected at Mount Cameron. This worked admirably with the wet weather flow of water, but more work is needed to determine the suitability of having only one tank on account of the marked seasona! variation of rainfall which occurs in the Colony as compared with Malaya where the rainfall is spread more evenly over the year. may prove necessary to have tanks with a different siphonage area. for different flows of water.
It
(g) By the kind co-operation of the commissioner of prisons, prison labour was employed for the first time in Hong Kong outside the prison in training streams in the Stanley area under the supervision of the Malaria Bureau.
339. Mosquito nuisances were investigated at:—
(a) Barker Road, (b) Mount Cameron Road, (c) The Peak, (d) May Road, (e) Mount Davis, (f) Middle Island, (g) South Bay Island, (h) Cape Collinson, (i) Coombe Road, (j) Ming Yuen, (k) Prince Edward Road, (1) Kadoorie Avenue, (m) Cornwall Street, (n) Kent Road, (o) Minden Avenue, (p) Water Police Station, (q) Whampoa Dock Quarters, (r) Railway Quarters, Hunghom.
340. Teaching of Mosquitology.
(a) Demonstrations in collecting mosquito larvae and adults and instruction in the elements of malaria prevention were given to classes of Royal Army Medical Corps men.
(b) Classes for medical students of the Hong Kong University were
held and demonstrations of antimalarial field work given.
(c) Lectures to probationer sanitary inspectors on mosquitology and prevention of malaria were delivered, and demonstrations on field work given.
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