4
REPORT ON THE WORKING OF THE HARCOURT BUTLER
FREE SUPPLY OF CHOLERA VACCINE TO CHINA.—A free supply of
50,000 doses of cholera vaccine manufactured at this Institute was
made to the League of Nations Eastern Bureau, Singapore, in
connection with the appeal to the League by the National Health
Administration of China.
LABORATORY ROUTINE.—Bacleriological Laboratory.—
| (i) | Pieparation of Cholera Vaccine.— | |
| Number of doses of bulk vaccine prepared | 211,625 | |
| Number of doscs filled in ampoules and issued to the Store-keeper |
159,161 |
The Professor of Bacteriology of the Calcutta School of Tropical
Medicine was supplied during the year, with a quantity of cholera
vaccine manufactured in this laboratory for the purpose of a compa-
rative test. The result of this test appeared in the Indian Medical
Gazelte of August 1938. This vaccine was found to produce a very
satisfactory antigenic response and protected laboratory animals against
lethal dose of V. choleræ.
| (ii) | Bacteriological analysis of water.— | |
| Hlawga Lakes (Corporation of Rangoon) | 102 | |
| Tube Wells under the Burma Underground Water Act, 1930 | 69 | |
| Water samples from Superintendents of Jails | 33 | |
| Water samples from districts | 117 | |
| Water samples sent by the Port Health Officer, Rangoon | 13 | |
| Others | 27 | |
| 361 | ||
| (iii) | Examination of shaving brushes sent by the Appraiser of the Customs for the presence of B. anthracis |
14 |
| (iv) | Examination of sputum for T.B. | 22 |
| (v) | Chemical and cultural examination of urine | 9 |
| (vi) | Examination of fæces | 15 |
| (vii) | Examination of smears | 9 |
| (viii) | Preparation of Bacterial Emulsions of the typhoid and Paratyphoid group of organisms. |
|
| (ix) | Preparation of agglutinating sera. | |
| (x) | Maintenance of stock cultures.—Two strains of Pr. pestis were added to the stock of cultures maintained in this laboratory. |
|
| (xi) | Fifty animal experiments were carried out during the year. | |
| (xii) | Over 1,000,000 c.cs. of media of various description were prepared during the year under report. |