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53
Report of the Medical Officer of Health.
and non-pulmonary cases (the disease affecting organs
other than the lungs). Each of these divisions is further
subdivided according as the disease was or was not
of an active nature.
(2) Cases where the disease was suspected, but not definite.
(3) Cases where there was no evidence of tuberculosis.
The classification of inactive disease is only made where there
is evidence on examination that the disease has been present at
some time or other. A suspicious history by itself is not considered
sufficient to warrant the diagnosis of even inactive disease. It is
comparatively common to find evidence of inactive disease in the
lungs in a person who appears to be well, and sometimes it is found
in some other part of the body.
When there is active disease in the lungs, in addition to a lesion
in some other part of the body, the case is classified as pulmonary.