135
122
The accompanying table shows the race incidence of cases and the distribution of completed and uncompleted treatments.
Race incidence of cases.
Treatment completed. not completed.
Treatment
22
17
91
123
F. EXAMINATION OF WATER AND MILK.
(1) Bacteriological analysis of water supply. One thousand four hundred and thir y three samples of water derived from the public water supply of the Colony were tested for bacteriological purity.
Samples were examined daily as heretofore and the results passed to the proper authorities.
The attached table gives the various sources from which the samples were obtained:-
British
Chinese
Indian
Portuguese
6
Eurasian
Spanish.
Japanese
1
Norwegian
1
Unknown (ontport cases).
8
Total..
54
107
Gonococcus Vaccine
Staph. aureus
Unfiltered raw water
120
Filtered water
121
Water from service taps throughout the Colony
filtered and chlorinated
1,153
Well water
3
Water from other than public supplies
36
Total
1,433
(2) Bacteriological analysis of milk.-One sample of milk was examined at the request of a private dairy.
G. MEDICO LEGAL INVESTIGATIONS.
The number of examinations carried out on behalf of the Department of Criminal Investigation continues to increase, and in the year under review is almost double that for the previous year. Fifty five articles of various kinds were examined. Articles examined for presence of human blood Articles examined for presence of semen
34
18
VACCINE.
AMOUNT ISSUED.
Articles examined for presence of both blood & semen. Articles examined for presence of type of hair
2
Plague Vaccine
T. A. B. Vaccine.......
Cholera Vaccine
Antogenous Vaccine
Antimeningococcic serum
4,370 c.c.
25
19
30
15
100
77
17,272
47 vaccines.
29,360 c.c.
55
H. MORBID HISTOLOGY.
Two hundred and sixty four tissue sections were reported upon. One hundred and two of these were obtained at surgical operation from the hospitals or from private practitioners and the remainder forwarded by the medical officers of the Public Mortuaries of Victoria and Kowloon from post-mortem cases.
One hundred and sixty two were examined for general pathological diagnosis and one hundred and wo for type of tumours. Of the latter sixteen were benign and eighty six malignant.
136