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JAILUO
HALF CUBE
Laboratory
189. The Bureau Laboratory continued to carry out the routine identification of mosquitoes and the examination of blood smears collect- ed at surveys or submitted from outlying dispensaries. Of 1,471 A. minimus and A. jeyportensis vur, candidiensis and 161 other anopheline species dissected during the year, none were found with sporozoites. In addition precipitin tests were carried out for the study of their feeding habits. Other activities of the Bureau included lectures and demonstra- tions on anti-malaria work to medical students, Health Inspectors and Health Visitors.
SOCIAL HYGIENE SERVICE
190. This service, which is the responsibility of the Social Hygiene Specialist, consists of three branches dealing with dermatology, venereal diseases, and leprosy. Facilities for the diagnosis of skin conditions are of considerable importance in bringing to light cases of latent syphilis and of early leprosy. Accordingly, the service is organized to provide 9 centres for purely dermatology clinics; in addition there are thirteen social hygiene clinics, where venereal infections and leprosy undergo investigation and treatment, although a number of cases of skin disease may also attend these clinics. The Wan Chai Hospital provides in-patient accommodation for the treatment of skin disease in women and children and a few dermatology beds for male patients are available at the Kowloon and Lai Chi Kok Hospitals; in addition, some patients with skin diseases are admitted to the Queen Mary Hospital for teaching purposes.
191. The post of Social Hygiene Specialist which had been vacant since October, 1960, was filled during the year.
Venereal Diseases
192. The venereal disease clinica serve members of the public, sea- men of all nationalities, pregnant women referred from Maternal and Child Health Centres and gynaecological clinics, prison inmates, patients in the Castle Peak Hospital, patients referred from the Medical Examination Board, and applicants for emigration to the United States and Canada. Any treatment required is given free of charge. In addition, a large number of dermatological conditions are seen and treated at the venereal disease clinics. There has been, in general conformity with world statistics, a rise in the early syphilis rate during the year, but the in- cidence has shown no rise in the teenage group of the population as has been the case in U.S.A., the United Kingdom, Australia and Europe.
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The Child of a fisherman receives her vaccine on a lump of sugar during the mass immunization campaign against poliomyelitis conducted in 1961