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88
occurred in a house. It is pointless to quote recovery periods since
one case was never off work at all (doubtless being diagnosed retrospectively),
whilst the longest period of isolation was 34 days. In view
of what we know or don't know about this disease, the figures would
in any event be of questionable significance.
Tuberculosis.
Primary respiratory notifications.

It is of some interest to note that the number of persons notified
between the ages of 50/60 was greater than that between 15/20 and
the 30/40 groups.
Number in family
(including patient) 1 2 3 4 5 6 7 8 9
Number of cases 1 10 11 17 11 8 4 2 2
Since it may be taken that the average accommodation included three
bedrooms, it is evident from the numbers noted that the question of
overcrowding in either the legal or any other reasonable sense could
not be regarded as being prejudicial. It will be noted that in fact 39
of the families had. including the patient, 4 persons or fewer in the
house.
Number of children at risk.
In the households considered some 16 under 5 and 40 between
5 and 15 were ascertained.
Wards.
The primary notifications related to the following Wards:—
Cranham Elm Park Emerson Park Harold Wood North- West Rainham Thame-side Town Up-minster
2 7 3 6 12 11 2 16 8
Family Association.
In 22 of the primary notified cases there appeared some family
association of interest. A relative appeared to be involved either
as being a present case in the household or having suffered from the
disease as follows:—