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75
Report of the Medical Officer of Health.
The total number of cases notified was 380 (67 in Clapham, 25
in Putney, 119 in Streatham, 61 in Tooting, and 108 in Wandsworth),
compared with 581 in 1908, 629 in 1907, and 566 in 1906.
This number was 145 under the corrected, and 299 under the
uncorrected decennial average.
In all the sub-districts there has been a decrease compared
with 1908. In Clapham of 24, in Putney of 14, in Streatham of 18,
in Tooting of 28, and in Wandsworth of 117.
The greatest number of cases occurred in Streatham, and tha
smallest in Putney.
The number of cases notified per 1,000 of population was no,
compared with 1.73 in 1908, 1.93 in 1907, and 1.79 in 1906, and in
London 1.38, compared with 1.64, 1.65 and 170.
314 or 91 per cent. of the cases were removed to hospital
"where 25 died, and 66 or 9 per cent. were treated at home with
four deaths.
The case mortality was 7.6 per cent., compared with 6.3 in
1908, 6.3 in 1907, 8.9 in 1906, 8.9 in 1905, and 10.8 in 1904.
The case mortality for the whole of London for the year 1909
was 9'1 per cent., compared with 9 2 in 1908, 8.89 in 1907, 8.7 in
1906, and 8.5 in 1905.
The case mortality among cases treated in hospital was 7.9
per cent., and among those treated at home 6 per cent. The sligfht
increase in the case mortality may be explained by the lact that
during the year no outbreak occurred in which it was necessary
to take a large number of swabs, consequently very few cases of
Diphtheria were notified on bacteriological diagnosis alone.
The following Table shows the number of cases, the case-rate
per 1,000 living., for the year and for the 10 previous years, the
number of deaths and the death-rate for the whole Borough, as
well as for the separate sub-districts.