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248. The duty of carrying out the sanitary and medical inspection and for vaccinating those who are insufficiently protected falls on the Port Health Officers.
249. Emigrants are classified as:-
(1) "Free emigrants" or those who pay their own passages.
(2) Assisted emigrants or those whose passages are paid by their prospective employers.
(3) Women and children.
250. The total number of emigrants examined during the year was 164,077 of whom 158,571 were free and 5,506 assisted. The number of rejections was 1,289.
251. The number of emigrants proceeding to the Straits Settlements was slightly less than in 1935—101,499 as against 102,674 in 1935, 86,192 in 1934 and 20,324 in 1933. The total number of emigrants leaving Hong Kong in 1936 was 164,077 as against 158,300 in 1935, 138,240 in 1934 and 64,181 in 1933.
DISINFECTION AND FUMIGATION.
252. Ship disinfection and disinfestation which was at one time carried out by a private company is now done by the Disinfection and Fumigation Bureau of the Port Health Office.
253. The Disinfecting and Fumigation Plant consists of:—
(a) The hulk "Aldecoa" housing two large steam disinfectors and providing accommodation for the bathing and cleansing of a large number of passengers and the disinfection and disinfestation of their effects.
(b) One dumb barge carrying a large B. Type Clayton apparatus.
(c) One A. Type Clayton machine.
(d) Dutch ovens, sprays and other apparatus used in ship disinfection and ship disinfestation.
254. Since the arrival in the Colony on the 6th February of the Port Health Inspector who had undergone special training in the Port of London, this Branch has been able to issue deratization exemption certificates. 79 Deratization and 58 Deratization Exemption Certificates were issued during the year.
VACCINATION.
255. The Government Vaccinators are members of the Port Health Staff and work under the general supervision of the Port Health Officer. They work at the Vaccination Centre and on board ships, but are detailed for work wherever required.