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A. ADMINISTRATION,
1. For purposes of sanitary administration the Island and the Peninsula have been divided into local sanitary areas, each with a sanitary office, and these in turn have been sub-divided into Health Districts each of a size convenient for supervision by a Sanitary Inspector.
2. The built over portions of Hong Kong constitute only 1/5th of the total area. On the North side is the City of Victoria which occupies the flats and lower slopes facing the Harbour. Behind and above the City is the Residential area of the Hill District extending up to and including the crest called "the Peak". The great mass of the population, (500,000), which reside in the City, are crowded into an area which does not exceed one square mile in extent.
On the South side and near the sea level are the villages of Aberdeen, Ap Lei Chau, Stanley and Tai Tam.
The remainder of the Island (four fifths) consists of steep slopes without habitations.
3. The Peninsula of Kowloon may be described topographically as consisting of a central group of hills surrounded on three sides by flats which intervene between them and the sea coast. The bulk of the population (250,000) live in tenement houses on the flats.
New Kowloon is an extension northwards of the flats on the western side.
4. The City of Victoria is divided into Eastern-central, Western-central and Western Districts, each with a sanitary office and sub-divided into 12 Health Districts each with a Sanitary Inspector in charge. The Hill District is worked in connection with Health District 3. One Sanitary Inspector is in charge of all the villages on the South side of the Island.
Kowloon is divided into Kowloon Peninsula, New Kowloon and Kowloon City (Old Chinese walled City), each with a sanitary office and sub-divided into seven Health Districts with a Sanitary Inspector in charge of each.
PREVENTIVE MEASURES-(a) Mosquito and Insect-borne Diseases,
1. Anti-Mosquito work has not yet reached a high level in Hong Kong. All the Inspectors can distinguish between an anopheline and a culicine but progress beyond this stage has not been attempted. There are no special Mosquito Inspectors and the Anti-Mosquito Brigade consists of two Overseers and a number of Oiling Coolies.