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0.7 coampared with 1.3, 1.4 and 1.7 in the three preceding years
The death rate is the lowest recorded.
34. Hospital Isolation. Of the 147 oases notified, 125
(or 85 per cent) were removed to one of the fever hospitals,
compared with 88, 90, 88, 85 and 91 per cent. in the five preceding
years.
35. Home Isolation. Six certificates of efficient home
isolation were given to enable men to continue their employment
in the Arsenal, and so obviate unnecessary removal to hospital,
compared with 31, 15, and 18, in the three preoeding years.
In the Annual Report for 1911 a comparison was made
between home and hospital isolation, showing that, whereas there
were only 1.6 per cent. of failures in home isolation, there were
4.6 per cent in hospital isolation. Failure means the occurrence
of secondary cases attributed to the primary case.
36. The Annual Report for 1905 contained a speoial report
on a statistical investigation into school incidenoe of scarlet
fever and diphtheria during the ten years 1896-1905.
DIPHTHERIA.
37. 242 cases of diphtheria were notified (excluding 35
cases of mistaken diagnosis). The case-rate (number of cases
per 1,000 popilation), corrected for cases of mistaken diagnosis
was 1.65 compared with 2.72, 1.77 and 1.81 in the three preceding
years, and 1.99, the average of the ten years 1901-10.
This is the lowest oase rate since 1905.
38. There were 16 deaths, compared with 11, in 1916.
The death rate was 0.11 compared with 0.26 in 1914, 0.15 in
1915 and 0.08 in 1916.
The London death-rate was 0.14.
39. 59 of the total cases notified were in Woolwich parish,
69 in West Plumstead, 59 in East Plumstead and 90 in Eltham.
The following table shows the case-rate in each registration
district (not corrected for mistaken diagnosis) in the past
thirteen years, compared with London and the Borough:-
14