M 70
Annexe N.
BACTERIOLOGICAL INSTITUTE.
REPORT BY DR. H. B. PARKER, Bacteriologist.
THE PREPARATION OF CALF LYMPH.
Fourteen calves were inoculated (12 in 1918). The total number of tubes of lymph issued was 7,394 (6,097 in 1918). The value of the lymph according to Government Notification No. 380 of 1910 was $3,937 ($2,668.50 in 1918).
MENINGITIS.
Serum preparation has been continued on the lines recommended by Lieut. P. K. Olitsky and carried out by Dr. Macfarlane. To maintain the efficiency of the serum at a high standard means a considerable amount of experimental work in the way of identifying the prevailing type of organism. Some 18 to 20 litres of serum are now (December 17th) in stock.
CONTAGIOUS ABORTION.
Vaccine has been regularly supplied to the Dairy Farm Company.
CHOLERA.
During the recent epidemic of gastro-enteritis investigations were made as to the presence of the cholera vibrio. The vibrio was found in about 35% of fatal cases and there was strong presumptive evidence that the organism failed to grow from cases that really were cholera.
It is almost fair to assume therefore that at least 50% of the fatal cases of gastro-enteritis were cases of cholera.
No bacteriological evidence was found against foodstuff.
ROUTINE EXAMINATIONS.
Under this heading are grouped the various examinations of materials sent in. The number was 74,793 as compared with 87,136 in 1918, of which 73,008 were the examination of rats for plague:
New Growths,-Examination by section, 48 Widal's Reaction for the bacillus typhosus, 327 Examination by culture for bacillus diphtheria, 19 paratyphoid B, 327 meningococci, 10 B. dysenteriæ, 285 cholera vibrio, 199 carriers of cholera vibrio, 36 Carried forward, 1,201- M 70
Annexe N.
BACTERIOLOGICAL INSTITUTE.
REPORT BY DR. H. B. PARKER, Bacteriologist.
THE PREPARATION OF CALF LYMPH.
Fourteen calves were inoculated (12 in 1918). The total num- ber of tubes of lymph issued was 7,394 (6,097 in 1918). The value of the lymph according to Government Notification No. 380 of 1910 was $3,937 ($2,668.50 in 1918).
MENINGITIS.
Serum praparation has been continued on the lines recommend- ed by Lieut. P. K. Olitsky and carried out by Dr. Macfarlane. To maintain the efficiency of the serum at a high standard means a considerable amount of experimental work in the way of identifying the prevailing type of organism. Some 18 to 20 litres of serum are now (December 17th) in stock.
CONTAGIOUS ABORTION.
Vaccine has been regularly supplied to the Dairy Farm Company.
CHOLERA.
During the recent epidemic of gastro enteritis investigations were made as to the presence of the cholera vibrio. The vibrio was found in about 35% of fatal cases and there was strong presumptive evidence that the organism failed to grow from cases that really were cholera.
It is almost fair to assume therefore that at least 50% of the fatal cases of gastro enteritis were cases of cholera.
No bacteriological evidence was found against foodstuff,
ROUTINE EXAMINATIONS,
Under this heading are grouped the various examinations of materials sent in. The number was 74,793 as compared with 87,136 in 1918, of which 73,008 were the examination of rats for plague :-
New Growths,-Examination by section, Widal's Reaction for the bacillus typhosus,
Examination by culture for bacillus diphtheria,
19
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48
327
paratyphoid B,...
327
>> -
meningococci,
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B. dysenteriæ,
י
"
cholera vibrio,
199
10
285
"
carriers of cholera vibrio, ... 36
Carried forward,.....1,201
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