HEALTH
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moved. If there are no off-street sites available, then the hawkers are to be concentrated in streets of minor traffic significance where they can carry on their business with the minimum of inconvenience to other sections of the community. This policy has found growing support and acceptance from the public and its implementation is well supported by branches of Government concerned with hawkers.
The enforcement of legislation governing hawkers should be carried out by the Hawker Control Force, established in 1960 to relieve the Police of this responsibility. The Force has an establish- ment of 530 officers and men who operate in 31 designated parts of the urban areas. Although in many districts, particularly of Kowloon, the Police still remain the sole authority for control, the Hawker Control Force is expanding gradually and provision for additional operational facilities are being planned in new market projects.
1969 saw the completion of a new abattoir costing $25 million at Cheung Sha Wan in Kowloon. This abattoir can slaughter 3,600 pigs and 400 cattle a day, as can its counterpart at Kennedy Town on Hong Kong Island.
RESEARCH
The collaborative work on the histological typing of salivary gland tumours and the joint study on respiratory virus infection in children under the auspices of the World Health Organisation continue. Study of the serological response of children given attenuated live measles vaccine in 1966 has been completed. Laboratory investi- gation related to the chemotherapy of tuberculosis, a joint under- taking with the Medical Research Council, is still proceeding, and in collaboration with the University Orthopaedic Unit a study of spinal tuberculosis is being carried out. Work on bacteriophage typing of non-cholera vibrios continues.
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