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X-ray Surveys.
Two X-ray surveys have been carried out in the past 2 years, Surveys are done on 35 millimetre film and all radiological abnormalities are investigated by the Government Tuberculosis Service.
The first survey was carried out at Stanley Prison which waLS over-crowded, The prisoners, all males, were examined and all infectious cases of pulmonary tuberculosis isolated.
It was intended to deal similarly with all subsequent prisoners before admission but this proved impracticable.
The results of the survey were as follows :-
Number of inmates X-rayed
Number re-X-rayed (Large film)
Number of active cases
Percentage suffering from active tuberculosis
Long Term
1054
Short Term
1407
50
74
28
67
2,65
4076
The results tend to show that despite the over-orowded condition there is little danger to health from tuberculosis - in fact rather the reverse,
The second survey was carried out in 1949 - 1950 and included all individuals employed in the Government Service, The results were as follows :
Total muber I-rayed
*** 22,688
Number found on investigation to have :
Active pulmonary tuberculosis
256
Quiescent Healed Suspicious
803
359
12
1.4.30
Percentage suffering from active pulmonary tuberculosis
....
1.13
This survey included males and females between the ages of 16 and 60 years.
All are employed persons and a proportion of those engaged since 1945 have had to pass medical examination with X-ray of chest prior to engagement,
Further epidemiological information.
out.
No further work of any outstanding importance has been carried
Notification
Notification of all forms of tuberculosis has been compulsory Erythema since 1939 irrespective of bacteriological confirmation. nodosu. does not appear to occur with any great frequency, if at all.
The numbers of new cases of tuberculosis – all forms in the past 3 years are as follows :
notified
Year
Notifications
1948
6,279
1949
7,510
1950
9,067
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