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The cases certified were at the rate of 1.2 per 1,000 inhabitants as compared
with 1.5 in 1911, 1.1 in 1910, 1.5 in 1909 and 1.7 in 1908. The attack-rate was
highest in Acton Ward and lowest in Moorfields, being 1.9 per 1,000 in the former
and 0.4 in the latter ward.
The deaths numbered 18, the death.rate being 0.18 per 1,000 as compared
with 0.20 in 1911, 0.12 in 1910, 0.18 in 1909, 0.11 in 1908, 0.17 in 1907, 0.12 in
1906, 0.14 in 1905, 0.16 in 1904, 0.18 in 1903, 0.18 in 1902, 0.23 in 1901, 0.45 in
1900 and 0.52 in 1899. The diphtheria death-rates in the wards of the Borough
are contained in Table VI. (Appendix). The rate was highest in Acton Ward where
it was 0.48 per 1,000 population. There were no deaths from diphtheria during the
year in either Moorfields, Kingsland or Haggerston Wards.
The case mortality was 13.1 per cent. of the cases certified as compared with
12.7 in 1911, 11.0 in 1910, 11.5 in 1909, 6.4 in 1908, 9.5 in 1907, 10.5 in 1906, 15.2
in 1905 and 10.3 in 1904.
The case mortalities for previous years are contained in the Report for 1906.
Of the deaths from diphtheria during 1911, 16 were of children under 5 years
of age, the mortality being at the rate of 20.8 per cent. of the cases certified amongst
children at that age period as compared with 20.6 in 1911, 17.2 in 1910, 15.7 in
1909, 9.5 in 1908, 15.6 in 1907, 16 in 1906, 14.7 in 1905, 16.3 in 1904, 23.8 in 1903,
20.5 in 1902, 15.4 in 1901, 22.7 in 1900, 34.2 in 1899, 29.5 in 1898, 36.0 in 1897,
31.8 in 1896, 47.5 in 1895, 43.0 in 1894 and 61.0 in 1893. There were two deaths
of children aged from 5 to 10 years. The mortality amongst persons over 5
years of age was at the rate of 3.3 per cent. of the cases certified.