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33
CLASS I.—ZYMOTIC DISEASES.
Principal Zymotic Diseases.
The principal Zymotic diseases are seven in number, viz..
smallpox, measles, scarlet fever, diphtheria (including membranous
croup), whooping cough, "fevers" including
typhus, typhoid, or enteric, and simple or continued), ana
diarrhoea; and the zymotic death-rate is made up from the
total deaths from these diseases. As a test of the sanitary
condition of a Community, the zymotic death-rate is of
approximate value, and the statistics for the Borough of
Lambeth are very satisfactory for 1909, being 43.1 per cent.
below the average (1891-1900 for the old Parish).
In the Borough of Lambeth, during 1909, there were
registered 449 deaths from the seven zymotic diseases, and
of these 83 were strangers belonging to other districts, and
366 parishioners who died within the Borough. 36 parishioners,
however, died from the seven zymotic diseases without
the Borough. Subtracting the strangers, and adding on
the parishioners who died without the Borough, there is a
corrected total of 402, giving a zymotic corrected death-rate
of 1.2 per 1000 inhabitants, the corrected rate for London
being 1.31, varying in the different Metropolitan Districts,
as shown on page 8. The zymotic death-rates (corrected)
for the different new Registration Sub-Districts of the
Borough of Lambeth vary also, as shown in Tables D and E,
which in addition give the general death-rates and birthrates
for comparison. Lambeth Church shows the highest,
and Norwood the lowest, zymotic death-rates respectively.
The corrected zymotic death-rate for the Inner Districts is
1.9, and for the Outer, 0.8—a difference explainable, as before,
from the crowding and' absence of proper means of
home isolation and nursing in the former, as compared with
the latter, districts. Crowded districts naturally suffer more
in this respect than those more sparsely populated.
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