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BACTERIOLOGICAL INSTITUTE.
REPORT FOR THE YEAR 1926.
BY E. P. MINETT, M.D., D.P.H., D.T.M. & H., L.R.C.P.,
M.R.C.S., GoVERNMENT BACTERIOLOGIST,
1.-PREPARATION OF CALF LYMPH.
The preparation of Calf Lymph has been carried out during the cooler months of the year as usual.
Buffalo calves are now obtainable regularly but at increased prices.
The number of calves vaccinated was 71.
The average yield per calf being 100 cc. of the finished product glycerinated calf lymph.
The number of tubes of lymph issued, was 22,817, an increase of 8,413 over last year.
The quantity of lymph in stock on 31st December, was 6,959 cc. calculated to be sufficient to vaccinate 208.773 persons.
The value of lymph issued free as per Government Noti- fication, was $4,753.50.
2. ANTI-MENINGOCOCCUS SERUM.
During the year 905 cc. were issued, a considerable falling off from last year.
The quantity of Serum in stock and ready for issue, was 106,465 cc.
The value of the free issue was $96.00,
Careful tests for sterility were carried out before bottling for issue. The agglutinating power of the serum was satisfac- tory.
3.--CONTAGIOUS ABORTION VACCINE.
Very little of the vaccine was issued, the Veterinary Surgeon of the Dairy Farm having made no application.
A few agglutination tests were carried out and results reported to the Veterinary Surgeon.
4.-MILK ANALYSIS,
The number of samples examined, was 82, an increase of 51 over last year.
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5.ANTI KABIC TREATMENT.
The Pasteur strain obtained from Saigon was kept going during the year, and the local strain isolated is now nearly fixed and ready for use.
160 patients were treated during the year, and 3,840 separate graduated doses were issued, an increase of 528 over last year.
All anti-rabic treatment is now a free issue, as regards the vaccine, by Government order,
The value of the free issue was $5,472.00.
Examination of brains from suspected dogs was carried out regularly during the year for the Colonial Veterinary Surgeon.
84 dogs' brains were examined for the presence of Negri bodies, of which 12 were positive and 72 were negative.
6. CLINICAL EXAMINATION.
The number of specimens examined and reported upon from various Government Institutions and Private Practitioners, was 7,963, an increase, over last year, of 572 specimens.
74 misecilaneous specimens were examined.
7.-RIDEAL WALKER TEST.
Six specimens of disinfectants were examined by the Rideal Walker Test, at the request of the Sanitary Department.
8. ANTI-PLAGUE WORK.
Post-mortem examinations of 93,238 rats were carried out at the Victoria Mortuary by the Medical Officer in Charge.
Microscopic examinations for the presence of B. Pestis were carried out at the Bacteriological Institute on 3,672 specimens.
A few rats recovered from lighters after fumigation, were specially examined nt the request of the United States Consulate.
year.
No cases of plague infected rats were detected during the
9.-BACTERIOLOGICAL EXAMINATION OF WATER SUPPLIES. During the year the Bacteriologist was relieved from post- mortem work at the Victoria Mortuary in order that the public water supplies might be examined more frequently and systematically.
The total number of samples examined was 1,084, an increase of 494 samples over last year, of these samples 835 were from public taps or street fountains.
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