M 25
The relative dangers of different collections of water has yet to be worked out. This is a very important matter for on its solution depends to a great extent the economics of preventive measures.
2. “The routine work of oiling pools and inspecting dwellings for breeding places was carried out by District Inspectors, and by two foremen with coolies specially employed. Full use was made of the powers given by the bye-law for the prevention and dissemination of diseases by Mosquitoes. The usual cutting of undergrowth in May and October was carried out in conjunction with the Botanical and Forestry Department and the Military Authorities (as regards Military Lands.)”
EPIDEMIC DISEASES-(b) Preventive Measures Against Plague.
1. In the campaign against Plague the routine measures, which had been in vogue since the disease was at its height, were continued. These were:
(1) Periodical cleansing of premises and lime washing.
(2) Abolition of refuges for Rats, such as Ceilings, Stair-linings and panelling.
(3) Destruction of Rats.
2. Twenty-eight members of the Cleansing Staff were employed during the year, setting traps, bird-liming boards, distributing poison (barium carbonate), and collecting Rats from the many special Rat Reception Boxes which had been placed in convenient situations throughout the City.
By far the greatest number of Rats were taken dead from the Rat Reception Bins where they had been dumped by the Chinese who had either killed them or picked them up dead; as many as 2,500 Rats per week were collected from these boxes. The total number of Rats collected were 28,310 of which only 259 were caught alive. All Rats collected were sent to the Public Mortuaries where they were examined by the Medical Officer in charge. During the year no plague infected Rat was reported.
More Rats were caught on boards smeared with bird-lime than in traps. Rats so caught are generally dead when found—and of course free from fleas.
3. The M.O.H. Dr. Fawcett examined a number of fleas taken from Rats caught alive and identified the species. The researches which commenced in April were still in progress at the end of the year.
M 25
The relative dangers of different collections of water has yet to be worked out. This is a very important matter for on its solution depends to a great extent the economics of preventive
measures.
2. “The routine work of oiling pools and inspecting dwellings for breeding places was carried out by District Inspectors, and by two foremen with coolies specially employed. Full use was made of the powers given by the bye-law for the prevention and dissemination of diseases by Mosquitoes. The usual cutting of undergrowth in May and October was carried out in conjune- tion with the Botanical and Forestry Department and the Mili- tary Authorities (as regards Military Lands.")
EPIDEMIC DISEASES-(b) Preventive Measures Against Plague.
1. In the campaign against Plague the routine measures, which had been in vogue since the disease was at its height, were continued. These were:
(1) Periodical cleansing of premises and lime washing.
(2) Abolition of refuges for Rats, such as Ceilings,
Stair-linings and panelling.
(3) Destruction of Rats.
2. Twenty-eight members of the Cleansing Staff were em- ployed during the year, setting traps, bird-liming boards, dis- tributing poison (barium carbonate), and collecting Rats from the many special Rat Reception Boxes which had been placed in convenient situations throughout the City.
By far the greatest number of Rats were taken dead from the Rat Reception Bins where they had been dumped by the Chinese who had either killed them or picked them up dead; as many as 2,500 Rats per week were collected from these boxes. The total number of Rats collected were 28,310 of which only 259 were caught alive. All Rats collected were sent to the Public Mortuaries where they were examined by the Medical Officer in charge. During the year no plague infected Rat was reported.
More Rats were caught on boards smeared with bird-lime than in traps. Rats so caught are generally dead when found- and of course free from fleas.
3. The M.O.H. Dr. Fawcett examined a number of fleas taken from Rats caught alive and identified the species. The researches which commenced in April were still in progress at the end of the year.
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