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4.-PREPARATION OF TYPHOSUS AND OTHER VACCINES.
Typhosus, Paratyphosus A, Paratyphosus B and Cholera vaccines have been prepared in large quantity in order that any person desirous of undergoing prophylactic inoculation with one or all of these may be supplied immediately on demand from their medical attendant.
5. BACTERIAL ANALYSES OF WATER SAMPLES.
All these have in the past been carried out every quarter. The results have, on the whole, been very satisfactory this year. The sources of supply—Pokfulam, Tytam, and Kowloon, both the filtered and unfiltered—are now submitted to bacterial analyses monthly.
The method of analysis previously employed has also been modified to bring it more into line with modern discoveries as regards the standards of tropical and subtropical waters.
6.-EXAMINATIONS IN CONNECTION WITH CLINICAL WORK.
The appended Table (Table I) gives the various materials dealt with, the numbers of each, month by month, and the total. It will be seen that the examinations have doubled during the year. A word of explanation of the heading "Miscellaneous" is called for. Under this is included such things as the preparation of special autogenous vaccines, examinations for Leprosy, Rideal-Walker tests for standardisation of disinfectants, and suchlike, which are only occasionally asked for.
7.-POST-MORTEM EXAMINATIONS AT THE VICTORIA MORTUARY.
These are treated of in detail in a separate report.
8.-EXAMINATION OF RATS FOR PLAGUE.
These examinations are carried out at the Victoria Mortuary daily. Until last year they have been included in the table of routine examinations at the Bacteriological Institute, presumably because some of them call for bacteriological investigation. The subjoined table (Table II) gives succinctly the results of these examinations. It will be noted that the number found infected with plague was remarkably small.
II.—SPECIAL WORK AND RESEARCH.
1.—IN CONNECTION WITH ENTERIC FEVER.
The following prefatory remarks explain the reasons for undertaking the first of these investigations:
As a result of making Widal tests with specimens of blood sent up from patients suffering from rise of temperature of obscure origin, one was led to infer that enteric fever in some form was
M 66
4.-PREPARATION OF TYPHOSUS AND OTHER VACCINES.
Typhosus, Paratyphosus A, Paratyphosus B and Cholera vaccines have been prepared in large quantity in order that any person desirous of undergoing prophylactic inoculation with one or all of these may be supplied immediately on demand from their medical attendant.
5. BACTERIAL ANALYSES OF WATER SAMPLES.
All
These have in the past been carried out every quarter. The results have, on the whole, been very satisfactory this year. the sources of supply-Pokfulam, Tytam, and Kowloon, both the filtered and unfiltered-are now submitted to bacterial analyses monthly.
The method of analysis previously employed has also been modified to bring it more into line with modern discoveries as re- gards the standards of tropical and subtropical waters.
6.-EXAMINATIONS IN CONNECTION WITH CLINICAL WORK.
The appended Table (Table I) gives the various materials dealt with, the numbers of each, month by month, and the total. It will be seen that the examinations have doubled during the year. A word of explanation of the heading "Miscellaneous" is called for. Under this is included such things as the preparation of special autogenous vaccines, examinations for Leprosy, Rideal-Walker tests for standardisation of disinfectants, and suchlike, which are only occasionally asked for.
7.-POST-MORTEM EXAMINATIONS AT THE VICTORIA MORTUARY.
These are treated of in detail in a separate report.
8.- EXAMINATION OF RATS FOR PLAGUE.
These examinations are carried out at the Victoria Mortuary daily. Until last year they have been included in the table of routine examinations at the Bacteriological Institute, presumably because some of them call for bacteriological investigation. The subjoined table (Table II) gives succinctly the restlts of these examinations. It will be noted that the number found infected with plague was remarkably small.
IL-SPECIAL WORK AND RESEARCH.
1.—IN CONNECTION WITH ENTERIC FEVER.
The following prefatory remarks explain the reasons for undertaking the first of these investigations :-
As a result of making Widal tests with specimens of blood sent up from patients suffering from rise of temperature of obscure origin, one was led to infer that enteric fever in some form was
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