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Scarlet Fever.—The total number of cases notified during
1909 was 316 from 253 houses, as against 131 and 281 for 1908
and 1907.
This large increase was due to the outbreak caused by
infected milk, which is reported on in full by Dr. Pocklington.
In two houses there were 5 cases; in three houses 4; in three
houses 3; in thirty-eight houses 2; and the remainder 1 case
each.
The disease occurred in the following numbers at the
various ages:—
Under one 0
One to five 56
Five to fifteen 207
Fifteen to twenty-five 34
Twenty-five to sixty-five 19
The following was the Ward incidence:—
St. Mary's 19 Removed to Hospital 13
St. John's 12 „ „ „ 4
Cottenham Park 41 „ „ „ 19
Dundonald 57 „ „ „ 41
Trinity 96 „ „ „ 68
South Park 91 „ „ „ 57
202
The average attack and death-rates for the last three quinquennial
periods and the past four years were as follows:—
Attack Death
Rate Rate.
1891—1895 4.8 .02 per thousand of the population.
1896—1900 3.3 .04 „ „ „ „
1901—1905 2.3 .02 „ „ „ „
Year 1906 4.5 .10 „ „ „ „
Year 1907 5.4 .09 „ „ „ „
Year 1908 2.4 .05 „ „ „ „
Year 1909 5.5 .05 „ „ „ „
Two hundred and two, or 63'9 per cent., of the patients
were treated in the Isolation Hospital, 2 terminating fatally.
The case mortality rate is .9 per cent. and the death-rate from
the disease .05 per thousand of the population.
About 60 per cent. of the cases notified were children of
school age, namely, five to fifteen years, and of these 198
attended the following schools:—
21