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29
south sides of this line between the two points where it bi-sects
the ¼-mile area, and a greater part of the south section of the
½-mile area is also cut off from any direct communication with the
Hospital approaches by this line of railway. The lines of sewage
are divided as well as the roads. Now, in this area, so cut off
from the Hospital, during the whole of the epidemic only three
eases occurred, one in the ¼ mile area and two in the ½-mile area.
This line of rails is not many feet above the level of the
surrounding ground, and we find on one side 52 cases, and onlyone
on the other side within the ¼ mile area.
1 think it is a fair inference that the want of continuity of road
and sewer communication may have some part in the unequal
distribution of the disease, as this barrier could scarcely interfere
with the dissemination of the disease through the air.
Again, on the cast side, the Hospital is bounded by the houses
on the west side of Hargwynne Street, the windows in the backs
of these houses look out upon the Hospital buildings and grounds.
There are 75 houses in this row. These houses are mostly
occupied by two or three families. Surely, if the disease spreads
by aerial dissemination we should have found some people in
these houses affected. Say there is an average of eight people
in each house, there we have a population of 600 of all ages,
within a few yards of the Hospital, and yet we do not find one
case of Small Pox in these houses.
VACCINATION.
Of the 227 cases which occurred during the year, 148 had been
vaccinated, 28 cases had not been vaccinated, and 51 were
doubtful.
Vaccinated 65.2 per cent.
Unvaccinated 12.3 per cent.
Doubtful 22.4 per cent.