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62
Table No. IV. shows the age distribution, the number in each
parish, and the number removed to hospital.
56. Hospital. It will be seen that only 200 cases, or 82 per
cent. were removed to hospital. This is the smallest percentage
removed to hospital in the preceding six years, and is in part
attributable to the great demands made on isolation accommodation
in the latter months of the year owing to the prevalence of
this disease and of diphtheria in London as a whole.
57. Home Isolation. The Arsenal authorities require cases
to be removed to hospital or a certificate from your Medical Officer
of efficient home isolation before their employees are allowed to
return to work. During the year 22 such certificates were issued
as compared with 21, 15 and 18 in the three preceding years.
The cases isolated at home have been frequently inspected by
your Sanitary Inspectors, and in no case has there been any
ground for supposing that the public safety has been endangered
by home isolation.
58. Return Cases. The number of return cases was 3. A
"Return Case" is defined as a secondary case occurring in a
tenement after the return of the primary case from Hospital or
from home isolation.
59. Deaths. The number of deaths due to scarlet fever
was 3. The deaths and death-rate from this disease since 1901
are shown in Table 29.
The following Table, No. 31, shows the case-rate of scarlet
fever in each registration district and in the Borough (not corrected
for mistaken diagnosis), and the percentage removed to
hospital, in each year since 1901. The term "case rate" means
the number of cases occurring per thousand of population.