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67. Train inspection was carried on up to the 17th July, Out of 445,424 passengers 256,877 were vaccinated at the station. During the course of train inspection, une case of leprosy, four cases of measles, four cases of smallpox and 0 cases of chickenpox were found.
68. Eighty-five ships were examined on emigration. Many of these carried UNRRA displaced persous travelling from South Chins ports to British North Borneo, Singapore, the Malayon Union and Burma. 42,466 emigrants were examined with 100 rejects.
69. Although the International Sanitary Convention dia- courages the demand for hills of health by Port Health Authorities, bills of health were commonly asked for by ships and aircraft leaving Hong Kong. It is anticipated that, with better exchange of epidemiological information through the medium of the World Health Organization, fewer bills of health would be required during the coming year. 2,247 bills of health were issued to merchant ships, 43 to His Majesty's Ships, 3 to United States warships and 63 to planea.
70. Medical inspection of ships from plague infected porta waa rigidly enforced but plague inoculation certificates were not required. 91 ships were examined during the year.
71. The vaccination and inoculation centres at the Fire Brigade Building, the Harbour Office and at Taim Taa Taui were open throughout the year. The income from the sale of certificates winwanted to approximately $120,000.00.
72. The number of vaccinations and inoculations carried wut by the Part Health staff during the year was 100,840 vaccinations, 94,051 cholers inoculatione, 0,030 plague inocula- tions, 11,236 typhus, 13,212 T.A.D. and 319 tetanus inoculations.
73. In addition 45,219 vaccinations and 2,579 cholers inoculations were done by the staff in other parts of the Colony.
74. During the first half of the year the task of inspection of air passengers at Kai Tak was difficult owing to the lack of accommodation, but the completion of the terrainal building in Jupe made the work much easier. All passengers of aircraft from infected ports were inspected and all aircraft which stayed at Kai Tak overnight were treated with D.D.T. for the destruction of mosquitoes, The occupants and personal luggage of arrivala from plague infected ports wore dusted will A.1.63.
76. Two thousand three hundred and fifty-five aircraft from infected ports were inspected containing 43,438 passengers and 11,061 crew.
76. Thirty-five aircraft from plague infected ports were examined carrying 757 passengers and 115 crew.
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77. Three cases of leprosy and 16 mental cases were removed from ships and 33 permits for the removal of dead bodies were દેશના સ
78. Thirty-fve radio pratiquen wure issued,
79. The work of fumigation was carried out by sulphur dioxide generated in open burnora. In one instance 447 rata and mice were recovered from one ship. She had previously carried a grain cargo.
30. The present equipment consisting of 94 sulphur burners and 88 water traya is sufficient for ships up to 5,000 tons natt. Orders have been placed with the Crown Agents for equipment for cyanide futuigation and it is hoped that this will be delivered early in 1948.
81. A Port Health Inspector is ad present in Liverpool completing a course in the use of hydrocyonic acid on ships. It
is expected that he will return to Hong Kong early in the new
year.
82. One hundred and twenty-three ships totalling 216,339 toos and with a cubic capacity of 24,288,104 cubic feet were fumigated. 2,197 rats were recovered and 65,379 The. of anlphur were used.
(iv) School Hygiene.
83. A complete medical inspection is carried out in govern- ment schools and government subsidised schools, of:
(2) All new students,
(B) Students of ages 5, 10, 12 and 15 years,.
(e) Special students referred to the school health staff by
principals of schools,
(d) Observation cases of any of the above groups,
84. Other students not included in the above groups are examined yearly with regard to eyes and teeth.
85. During the year 18,303 pupils of 77 schools WRIT physically examined by school boultli officers.
38.
These schools may be classified under the following beadings; —
A. Government schools (in which most of the
pupile were European)
B. Government schools (in which most of the
pupils were Chinese)
C. Subsidized schools
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