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Page 420 and a semi-portable MX3, but after some delay double twin sets replaced these. The following work was carried out during the year:
•
1. Case Returns:
Europeans Non-Europeans
TOTAL
2. Case Analysis:
Bones and joints
1,253
833
96
39
353
...
39
...
1,055 1,505
Chests, hearts
Genito-urinary tract
2,560
Gastro-intestinal tract..
Dentals ...
Sinuses
Choleycstographies
4.
Foreign bodies... Others
TOTAL
2,635
218
6. SPECIAL SURVEYS CARRIED OUT IN TANGANYIKA
(a) Tuberculin Survey
In March and April, 1949, a small tuberculin survey was carried out in the Kongwa Region, with the assistance of Dr. Rosemary Jackson, a Colonial Medical Research worker employed in Tanganyika. The results of this survey are shown in the table below:-
All tribes
Wagogo (all ages)
Wagogo (adults)
...
Total Number Examined
Percentage * Positive
Percentage Negative
216
112
92
43
20
104
84
88348
60
40
38
62
57
15
85
16
•
Wagogo (children 0-15)
Other tribes
•
A positive reaction is interpreted as the production in 48 hours of a visible and palpable area of oedema 5 mm. or more in diameter following the intradernal injection of 0.1 ml. of 1 dilution of Koch's Old Tuberculin.
100,000
The inference from the above figures is-that the Wagogo tribe, when removed from their normal environment and herded together in camps with members of other tribes, will be in a relatively precarious position. It is, in point of fact, difficult to assess the real significance of this survey. The Wagogo were studied in their normal environment, and the figures for this tribe included both employed labour and unemployed inhabitants of Kongwa village. It may thus be assumed that the figures present a fairly accurate picture of the degree of sensitisation of the Wagogo as a whole to the tubercule bacillus.
(b) Nutritional Survey
A survey was carried out at Mkwaya Labour Camp on October 20, 1948, as some members of the hospital staff had complained of inadequate and poor quality food. The results below provide no evidence of either inadequate or deficient diet.
The survey was carried out among 50 employees who had worked at Mkwaya. for a period of at least six months and were on the local ration scale.
By comparison with the children and adults (non-employees) who had been examined at Kongwa village in a previous survey, the condition of the skin of the whole of this group was strikingly good. No cases of pharynoderma, frank or incipient, were seen. One case of cheilosis (2 per cent.) was seen, two cases. (4 per cent.) of Bitots' spots and one (2 per cent.) of circumcaneal injection. All other findings were negative. The Labour Officer in charge volunteered the information that he had noticed a marked improvement in the condition of the labour after they had been 2-3 months in the camp, particularly with reference to the condition of the skin. The implication is that such cases of probable vitamin deficiency as were seen were, in all likelihood, regressive.
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