- M 59
The total number of tests recorded is 60,790; this compares with 44,710 in 1938.
The preparation and distribution of anti-cholera vaccine continues to occupy much of our time.
(b) Protozoology and Helminthology.
249. (v) Blood films for Malaria :- Fourteen thousand, eight hundred and forty blood films were examined for malarial parasites. Seven thousand, nine hundred and eighty contained parasites. While the appended table shows the classification of the parasites found, it is somewhat incomplete owing to the fact that the number of films for diagnosis became so great that during the latter months of the year species diagnosis was only carried out on special cases instead of routinely, consequently the figure for "unclassified" is unduly large.
BLOODS EXAMINED FOR MALARIA.
Table XXXVIII.
European Indian Chinese Total Sub-tertian 51 211 3,384 3,646 Benign-tertian 64 115 2,727 2,906 Quartan 1 3 300 304 Unclassified 19 45 885 949 Multiple infection 4 10 157 171 Negative 464 298 6,098 6,860 Grand total ...... 603 682 13,551 14,836250. (vi) Filaria:- Eighteen films were examined for filarial embryos and seven positives found. M. bancrofti was the infecting species.
251. (vii) Faeces:- Three thousand stools were searched for parasites and the presence or absence of the typical cytological picture of bacillary dysentery. Two points are of interest in the table appended: firstly, the increase in positive findings of all kinds, and secondly, the continued steady increase in the number of stools containing entamoeba histolytica.
- M 59
The total number of tests recorded is 60,790; this compares with 44,710 in 1938.
The preparation and distribution of anti-cholera vaccine continues to occupy much of our time.
(b) Protozoology and Helminthology.
249. (v) Blood films for Malaria :-Fourteen thousand, eight hundred and forty blood films were examined for malarial parasites. Seven thousand, nine hundred and eighty contained parasites. While the appended table shows the classification of the parasites found, it is somewhat incomplete owing to the fact that the number of films for diagnosis became so great that during the latter months of the year species diagnosis was only carried out on special cases instead of routinely, consequently the figure for "unclassified" is unduly large.
BLOODS EXAMINED FOR MALARIA.
Table XXXVIII.
European. Indian.
Chinese.
Total.
Sub-tertian
51
211
3,384
3,646
Benign-tertian
64
115
2,727
2,906
Quartan
1
3
300
304
Unclassified
19
45
885
949
Multiple infection
4
10
5
166
175
Negative
464
298
6,098
6,860
Grand total ......
603
677
13,560
14,840
250. (vi) Filaria:-Eighteen films were examined for filarial embryos and seven positives found. M. bancrofti was the infecting species.
251. (vii) Faeces:-Three thousand stools were searched for parasites and the presence or absence of the typical cytological picture of bacillary dysentery. Two points are of interest in the table appended: firstly, the increase in positive findings of all kinds, and secondly, the continued steady increase in the number of stools containing entamoeba histolytica.
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